This platform allows for use of the larger (≥37 mm) working chan

This platform allows for use of the larger (≥3.7 mm) working channel and hence enhanced therapeutic capability. Our aims were to determine the diagnostic yield, therapeutic yield and safety of TSBC for deep enteroscopy in patients with surgically altered anatomy. Methods: We performed a retrospective, single-centre study of consecutive deep enteroscopies

using TSBC. Cases with surgically altered anatomy and a variety of indications were reviewed. Patients that underwent altered anatomy ERCP were also included. Patient demographics and clinical data were obtained, and procedural click here interventions and complications recorded. Diagnostic yield was defined as percentage of exams where a specific diagnosis was made. Therapeutic

yield was defined as percentage of exams where an intervention was successfully performed. Adverse events were graded according to the ASGE lexicon’s severity grading system. Results: A total of 41 consecutive cases using the TSBC for deep enteroscopy were performed; 13 of which had surgically altered anatomy. The Dasatinib order most common type of altered anatomy was Roux-en-Y gastric bypass (n = 9). All cases were anterograde enteroscopies performed with fluoroscopic guidance. The most common indication was evaluation of stricture or partial small bowel obstruction (n = 6). Others included suspected choledocholithiasis (n = 4), obscure bleeding (n = 1), melena (n = 1), removal of biliary stent (n = 1). The diagnostic yield was 69% (9/13). The therapeutic yield was 62% (8/13). In 3/9 successful cases, the intervention (two enteral stent placements and one metal

biliary stent deployment) could not have been accomplished with mainstream enteroscopy platforms. Additional therapies included metal biliary stent removal through the working channel of the endoscope and two patients with obscure GI bleeding were treated successfully (one with APC and the other with endovlips). One adverse event was recorded in which the TSBC ruptured selleck while navigating a tight stricture. The catheter was retracted and replaced and the procedure continued. Conclusion: The TSBC in altered anatomy enteroscopy appears efficacious and safe in these challenging patients. The TSBC platform allows for a broader range of therapeutic capabilities due to the larger calibre working channel which facilitates the deployment of metal biliary and enteral stents. V KUMBHARI,1 P SAXENA,1 AH TIEU,1 M ONIMARU,2 M EL ZEIN,1 RJ MODAYIL,3 EN TEITELBAUM,4 AA MESSALLEM,1 ME GITELIS,5 SN STAVROPOULOS,3 ES HUNGNESS,4 MB UJIKI,5 H SHIWAKU,6 PW CHIU,7 H INOUE,2 MA KHASHAB1 1Department of Medicine and Division of Gastroenterology and Hepatology, John Hopkins Hospital and Medical Institution.

The parameters between two groups were compared by Chi-square tes

The parameters between two groups were compared by Chi-square test or T test and Logistic regression Palbociclib in vitro analysis was applied to analyze the risk factors of case group. Results: Univariate analysis and multivariate Logistic regression analysis revealed that abdominal circumference (OR = 1.178; 95%CI 1.08–1.28), daily calories intake (OR = 1.007; 95%CI 1.00–1.01), daily fat intake (OR = 1.175; 95%CI 1.11–1.24), increased diastolic blood pressure (OR = 1.074; 95%CI 1.02–1.13), diabetes mellitus & impaired glucose tolerance (OR = 1.152;

95%CI 1.03–1.91), history of hypertension (OR = 2.763; 95%CI 1.01–7.68) or fatty liver (OR = 1.143; 95%CI 1.03–1.66), family history of cancer in digestive system (OR = 2.626; 95%CI 2.24–3.08), LDL (OR = 2.086; 95%CI 1.15–3.79), high-sensitivity

C-reactive protein (hsCRP, OR = 3.269; 95%CI 1.75–6.12) were the risk factors of colorectal adenoma, while female (OR = 0.197; 95%CI 0.06–0.67) and daily fiber intake (OR = 0.730; 95%CI 0.62–0.85) were the protective factors. Conclusion: The risk factors of colorectal adenoma included BGB324 clinical trial abdominal circumference, daily calories & fat intake, increased diastolic blood pressure, diabetes mellitus & impaired glucose tolerance, history of hypertension or fatty liver, family history of cancer in digestive system, LDL and hsCRP, while female and daily fiber intake were the protective factors of colorectal adenoma. Key Word(s): 1. Colorectal Adenoma; 2. Risk Factor; 3. Case-Control Study; Presenting Author: XIN HAIWEI Additional Authors: ZHU LIMING, MIN CHANG, check details FEI GUIJUN, SUN XIAOHONG, LI XIAOQING, ZHANG MING, SUN GANG, WANG ZHIFENG, KE MEIYUN, FANG XIUCAI Corresponding Author: FANG XIUCAI Affiliations: Peking Union Medical College Hospital Objective: Patients with irritable bowel syndrome with diarrhea (IBS-D) presented arbitrary symptoms with alternation of onset and remission, or persistence. The aims of this study were to compare the colonic motility

and mucosal enterochromaffin cells (EC) in IBS-D patients during the period of symptom onset, remission and persistence. Methods: Colonic manometry was administrated for 2 hours in fasting and 3 hours in postprandial status. The mucosal biopsies from sigmoid colon were obtained to detect ECs by immunohistochemical staining with 5-HT. Onset indicates patients having typical IBS symptoms in three days, remission means being asymptomatic for more than ten days, persistence indicates having symptoms for more than 2/3 of days in last three months. Results: Thirty two subjects completed the colon manometry (eight in each group). In fasting phase, the quantity of high amplitude propulsive contractions (HAPCs) and low amplitude propulsive contractions (LAPCs) and motility index (MI) for patients in onset group were higher than remission, persistence and healthy groups (P = 0.019, P = 0.000, P = 0.001).

In the validation set, C-index was 0834 [0803-0862] for the pr

In the validation set, C-index was 0.834 [0.803-0.862] for the prognostic model of all-cause mortality and 0.868 [0.8310.902] Opaganib datasheet for the prognostic model of liver-related mortality. A good match (calibration) between observed and estimated survival rates using these models was observed. CONCLUSION: A single (baseline) evaluation of

liver fibrosis can accurately predict death in the following 5 years, and combination of clinical data, blood test and LSM significantly improves all-cause death risk prediction. Disclosures: Frédéric Oberti – Speaking and Teaching: LFB Isabelle Fouchard-Hubert – Speaking and Teaching: JANSSEN Paul Cales – Consulting: BioLiveScale The following people have nothing to disclose: Sandrine Bertrais, Jerome Boursier, Valerie Moal Background: The aim of this study was to investigate the utility of breath volatile organic compounds (VOCs) measured by mass spectrometry to diagnose advanced fibrosis in patients with chronic liver disease (CLD). Methods: Patients were recruited for this pilot study from the hepatology clinic at a tertiary care center. Fibrosis was determined by an experienced

pathologist (F0-4) and advanced fibrosis was defined as F3-4. Exhaled breath was collected on the same day of the liver biopsy and analyzed per protocol using selective ion flow tube (SIFT-MS) to identify new markers of advanced fibrosis. Results:49 patients were included find more in the study with a mean age of 50.4± 10.1 years and 57% were male. 38% had chronic hepatitis LDK378 ic50 C, 35% had NAFLD, and 27% had other CLD. SIFT-MS analysis of exhaled breath revealed that patients with advanced fibrosis had significantly lower values of six compounds compared to those without advanced fibrosis (namely isoprene, trimethylamine, ethane, acrylonitrile, pentane, and 1-heptene), p value < 0.05 for all. Isoprene was found to have the highest accuracy for prediction of advanced fibrosis on biopsy with an area

under the ROC curve of 0.765 (95% CI 0.622-0.908). In addition, ethane andtrimethylamine were also found to have AUCs of >0.70. Conclusion: Exhaled breath analysis is a promising noninvasive method to detect advanced fibrosis in patients with CLD. Isoprene, ethane, and trimethylamine are potential bio-markersfor advanced fibrosis that deserve further validation. Disclosures: Naim Alkhouri – Advisory Committees or Review Panels: Gilead Sciences The following people have nothing to disclose: Mohammed Eyad Yaseen Alsabbagh, Ahmad Tarek Chami, Singh Gurshawn, Mina Shaker, Ibrahim A. Hanouneh, David Grove, Rocio Lopez, Nizar N. Zein, Raed Dweik Background: Liver fibrosis is a major health problem worldwide. Chronic damage to the liver in conjunction with increased deposition and altered composition of extracellular matrix (ECM) lead to liver fibrosis.

Inosine triphosphatase (ITPA) single nucleotide polymorphism (SNP

Inosine triphosphatase (ITPA) single nucleotide polymorphism (SNP) rs1127354, causing ITPase deficiency, was found to be associated with protection from RBV-induced

anemia and to decrease the need for RBV dose reduction, but not to be associated with clinical outcome.[22-25] The present study was performed to identify that factors, including interleukin-28B (IL28B) and ITPA genotype, associated with the outcome of extended 72-week treatment in patients with HCV genotype 1 who had LVR to PEG-IFN and RBV. A total of 471 patients were recruited at Osaka City University Hospital between December 2004 and June 2012. The flow of patients through the trial is presented in Figure 1. Sixty-six patients with HCV genotype 1 who were treated with PEG-IFN alpha 2a (Pegasys; Chugai Pharmaceutical Co., Ltd, Tokyo, Japan) or 2b (Pegintron; MSD, Osaka, Japan) and RBV (Rebetol, MSD) combination therapy were enrolled click here in this study. All patients had a viral load of > 105 IU/mL according to COBAS Amplicor HCV Monitor test, version 2.0 (Roche Diagnostics, Branchburg, NJ, USA), or a viral load of > 5 log copies/mL as determined by COBAS TaqMan HCV test (Roche Diagnostics). HCV RNA levels were

investigated before and every 4 weeks after the start of treatment. All patients gave written informed consent to participate in this PCI-32765 in vivo study, in accordance with the ethical guidelines of the 1975 Declaration of Helsinki and according to the process approved by the ethical committee of Osaka City University, Graduate School of Medicine. Only the patients who completed 72-week combination therapy without discontinuation and in whom HCV RNA was detected on week 12 but not on weeks 13–36 were enrolled in this selleck inhibitor study. Exclusion criteria included a history or evidence of a serious chronic or poorly controlled medical or psychiatric condition, infection with human immunodeficiency

virus or hepatitis B virus, and receipt of systemic immunomodulatory or antineoplastic therapy within the previous 6 months. Pregnant or breastfeeding women and partners of pregnant women were also excluded. The following factors were analyzed to determine whether they were related to the efficacy of combination therapy: patient age, gender, pretreatment biochemical parameters, such as neutrophil and platelet counts, hemoglobin concentration, levels of alanine transaminase, creatinine, HCV viral load, histopathological evaluation of hepatitis activity and hepatic fibrosis according to the METAVIR scoring system, total doses of PEG-IFN and RBV, and serum RBV concentration at week 44. The initial dose of PEG-IFN alpha 2a was 180 μg per week, and that of PEG-IFN alpha 2b was 1.5 μg per kg body weight per week. The initial dose of RBV was 400, 600, 800, or 1000 mg/day for patients weighing < 40 kg, 40–60 kg, 60–80 kg, or > 80 kg, respectively.

4 ha) that they returned to on successive nights Core foraging a

4 ha) that they returned to on successive nights. Core foraging areas (mean = 2.1 ha) were characterized by more cover and greater species diversity in the understorey layer than more peripheral areas. Hedgerows were also used for foraging in the late summer and autumn. HM781-36B manufacturer Most conservation activities for this species have focused on protecting roosts in houses and other buildings. While such protection is important for bat conservation, efforts should also be made to protect foraging habitats in woodlands by maintaining cover of native species in the understorey layer and hedgerows that provide connectivity between woodland patches. Common conservation management

practices, such as reinstating coppicing or grazing

in semi-natural broadleaved woodlands, could be detrimental for P. auritus and other woodland bats. Their impact on bats should be tested experimentally before they are widely promoted as a woodland conservation strategy. “
“Extension of the mesowear method to include the lower cheek teeth of ruminants will dramatically increase sample sizes and thus the statistical power of paleodietary inferences. However, the mesowear method of Fortelius and Solounias, which was designed for application to the upper molars, does not effectively separate ruminant species by diet when applied to the lower teeth. Upper and lower mesowear

scores have sometimes been compared among Navitoclax concentration non-analogous cusps (i.e. the buccal cusps of the maxillary teeth, which experience incursion and the buccal cusps of the mandibular teeth, which experience excursion during the chewing stroke). We therefore compare mesowear scores learn more between the buccal cusps of maxillary cheek teeth and the lingual cusps of mandibular cheek for a large sample of ruminants because both cusps experience incursion during the chewing stroke. Using the original mesowear scoring method, we find dietary signal in both the maxillary and mandibular cheek teeth and a high correlation between them using both non-phylogenetic and phylogenetic comparative methods. Noting unique patterns of mesowear among the mandibular teeth, we also propose a new scoring method with additional wear categories that improves dietary inference when applied to the lower teeth and is highly repeatable. We also find that mandibular mesowear scores are consistently lower than for their maxillary counterparts. Although differential wear among the upper and lower teeth is much less apparent when applying our new scoring method, wear differences might relate to anisodonty (i.e. mandibular cheek teeth are narrower). Overall, we recommend our new scoring method for application to the lingual cusps of the lower second molars of fossil ruminants.

0001) There were 19 times more microvesicles in esophageal aden

0001). There were 1.9 times more microvesicles in esophageal adenocarcinoma than in Barrett’s esophagus (P = 0.0043). Conclusions:  The study demonstrates distinctive alterations

of the mucosa stroma extracellular matrix in the metaplasia-dysplasia-adenocarcinoma sequence. The findings suggest that the redistribution of collagen fibers and increases in numbers of matrix microvesicles may play roles in the formation of specialized intestinal metaplasia and the development of adenocarcinoma. “
“The liver has robust regenerative potential in response to damage, but hepatic steatosis weakens this potential. We found that the enhanced integrated stress response (ISR) mediated by phosphorylation of the alpha subunit of eukaryotic initiation factor 2 (eIF2α) impairs regeneration in hepatic steatosis and that growth arrest and DNA damage-inducible 34 (Gadd34)-dependent suppression of ISR plays a crucial role in fatty PD0325901 research buy liver regeneration. Although the mice fed an HFD for 2 weeks developed moderate fatty liver with no increase in eIF2α phosphorylation before 70% hepatectomy, they showed impaired liver regeneration due to reduced PF-02341066 solubility dmso proliferation and increased death of hepatocytes with increased phosphorylation of

eIF2α and ISR. An increased ISR through Gadd34 knockdown induced C/EBP homologous protein (CHOP)-dependent apoptosis and receptor-interacting protein kinase 3-dependent necrosis, resulting in increased hepatocyte death during fatty liver regeneration. Further, Gadd34 knockdown and increased phosphorylation of eIF2α decreased cyclin D1 protein and reduced hepatocyte proliferation. In contrast, enhancement of Gadd34 suppressed phosphorylation of eIF2α and reduced

CHOP expression and hepatocyte apoptosis without affecting hepatocyte proliferation, clearly improving fatty liver regeneration. In more severe fatty liver of leptin receptor-deficient db/db mice, forced expression of hepatic Gadd34 also promoted hepatic regeneration after hepatectomy. Conclusion: Gadd34-mediated regulation of ISR acts as a physiological defense mechanism against impaired liver regeneration due to steatosis and is thus a possible therapeutic target for impaired regeneration in hepatic steatosis. This article is protected by copyright. All rights reserved. “
“PNPLA3 (adiponutrin), a novel patatin-like phospholipase domain-containing enzyme, is expressed selleck screening library at high level in fat, but also in other tissues including liver. Polymorphisms in PNPLA3 have been linked to obesity and insulin sensitivity. Notably, a nonsynonymous variant rs738409(G) allele of the PNPLA3 gene was found to be strongly associated with both nonalcoholic and alcoholic fatty liver disease. We have generated Pnpla3−/− mice by gene targeting. Loss of Pnpla3 has no effect on body weight or composition, adipose mass, or development, whether the mice were fed regular chow or high-fat diet or bred into the genetic obese Lepob/ob background.

1999) Chronic effects of entanglement in free-swimming individua

1999). Chronic effects of entanglement in free-swimming individuals include systemic infection and debilitation from extensive tissue damage (Cassoff et al. 2011). More common in protracted cases is severe

emaciation due to the inability to cope with a negative energy budget, driven by the combined effects of reduced mobility and foraging ability, and increased energetic demand imposed by towing accessory gear for months to years (Moore et al. 2006, Moore and van der Hoop 2012). Whereas disentanglement efforts were first developed to release this website large whales entangled and anchored in fixed fishing gear (Ledwell et al. 2010), techniques have been adapted to address the issue in free-swimming individuals (Moore et al. 2010). Disentanglement response efforts are coordinated by multiple agencies with the primary goal of removing all entangling gear. During a disentanglement procedure, buoys or floats are often added to trailing gear to increase a whale’s drag through the water and slow its movement (Moore et al. 2010). To further reduce boat aversion and allow for close approaches necessary for successful disentanglement, Sirolimus datasheet methods have been developed to lightly sedate large whales

at sea (Moore et al. 2010). No data exist for large whales on the behavioral impacts of sedation and disentanglement or on the energetic cost of check details entanglement in fishing gear due to drag. Through detailed

spatial and behavioral monitoring by means of a biologging tag (Dtag) (Johnson and Tyack 2003), we examined changes in dive behavior and kinematics of a tagged entangled North Atlantic right whale (North Atlantic Right Whale Catalog No. 3911, hereafter Eg 3911; Hamilton et al. 2007), before, during, and after disentanglement procedures on 15 January 2011. Further, we estimate drag forces experienced by the whale based on its body proportions, and the additional drag forces and energetic demand experienced while entangled in various gear configurations. Eg 3911, a female born in 2009 (NARWC Database, 2011), was first sighted entangled and displaying consequent emaciation on 25 December 2010 by an aerial survey team offshore Ponte Vedra Beach near Jacksonville, Florida. The entanglement involved attachment at a minimum of six sites around the mouth, wraps around both pectoral fins, and approximately 30 m of line trailing aft of the flukes (Moore et al. 2013) (Fig. 1). We conducted disentanglement attempts on 29 and 30 December 2010, though the whale remained entangled and was tracked by a satellite telemetry buoy. A third and final multiagency disentanglement effort took place 15 January 2011 near Melbourne, Florida, during which we tagged Eg 3911 with a biologging device (Dtag).

001; 73% and 37% versus 90% and 80% in 1- and 3-year survival rat

001; 73% and 37% versus 90% and 80% in 1- and 3-year survival rates, respectively; P < 0.001) (Fig. LDE225 solubility dmso 2C,D). Of the

10 patients with BCLC stage 0, one of the three patients with AAH overexpression and one of the seven patients with AAH underexpression recurred 28.3 and 30.6 months after surgery, respectively. All 10 patients survived until the last follow-up. We excluded two patients with multifocal tumors (no more than three nodules measuring ≤3 cm) from the stage A population; the remaining 164 patients with a single nodule were stratified into two subgroups according to tumor size, using 5 cm as the cutoff value. Patients with a tumor >5 cm in diameter (n = 105) had a poorer prognosis than those with a tumor ≤5 cm in diameter (n = 59) (TTR, 12.2 ± 1.4 months versus 43.4 ± 2.7 months, respectively; 1- and 3- year survival rates, 67% and 41% versus 98% and 71%, respectively; P < 0.001 for both). Furthermore, the impact of AAH expression level on the prognosis in two subgroups

was examined, respectively. The results are shown in Fig. 4. In the ≤5 cm subgroup, the TTR was 26.7 ± 1.6 months in AAH overexpression patients, and the 1- and 3-year survival rates were 97% and 52%, respectively; in AAH underexpression patients, the TTR was 51.9 ± 2.8 months, and the 1- and 3-year survival rates were 100% and 90%, respectively selleckchem (P < 0.001

for both). Similar results were obtained in the >5 cm subgroup: the TTR was 10.3 ± 1.4 months versus 32.4 ± 3.9 months in overexpressing and underexpressing patients, respectively, and 1- and 3-year survival rates were 62% and 29% versus 78% and 65%, respectively (P < 0.001, P = 0.002). Thus, patients whose tumors expressed high levels of AAH might have significantly shorter TTR and survival than those expressing low levels of this molecule in either the ≤5 click here cm or >5 cm subgroup. Of the 33 BCLC stage B patients, the prognosis of patients with AAH overexpression (n = 26) was also poorer than those with AAH underexpression (n = 7) (1- and 3-year cumulative recurrence rates, 80% and 92% versus 43% and 71%, respectively, P = 0.397 [Fig. 2E]; 1- and 3-year survival rates, 26% and 10% versus 57% and 29%, respectively, P = 0.261 [Fig. 2F]), although the comparison did not show statistical significance. There was also no statistical association of AAH expression level with prognosis in stage C patients (P = 0.355, P = 0.822) (Fig. 2G,H). In the present study, we showed that AAH expression was increased at both mRNA and protein levels in HCC, and was associated with malignant clinico-pathological characteristics. The correlation between AAH expression level and surgical outcomes was further investigated in a prospective study of 233 HCC patients.

Methods: Seventy-three patients with HBeAg-negative ACLF were enr

Methods: Seventy-three patients with HBeAg-negative ACLF were enrolled. Serum levels of HBsAg, HBV DNA and biochemical items were detected before treatment. Meanwhile the Model for End-stage Liver Disease (MELD) score was calculated based on serum TBiL, INR and Creatinine. The correlation

of HBsAg level with HBV DNA level, biochemical items learn more and MELD score were analyzed. Results: Serum levels of HBsAg, HBV DNA, ALT, AST, TBiL, INR and Creatinine were 5473 ± 3268 COI, 5.29 ± 1.81 lg copies/ mL, 858 ± 930 IU/L, 536 ± 601 IU/L, 450.05 ± 204.95 umol/L, 2.55 ± 0.84 and 69.4 ± 27.1 mmol/L in sequence. And MELD scores were 25.17 ± 4.93. HBsAg level was significant correlation with ALT(r= -0.473, P= 0.041) and AST (r= -0.480, P= 0.038). No significant correlation Selleck EPZ 6438 was found among HBsAg level and HBV DNA, TBiL, INR, Creatinine and MELD score (all P&gt 0.05). Conclusion: For HBeAg-negative ACLF patient without treatment, the serum level of HBsAg isn’t directly correlation with HBV DNA level. It results from a balance between virus biology and the host’s immune system response lesion. Key Word(s): 1. ACLF; 2. HBsAg level; 3. Correlation; Presenting Author: IOAN SPOREA Additional Authors: ROXANA SIRLI, SIMONA BOTA,

ALEXANDRA DELEANU, ISABEL DAN, ALINA POPESCU, ANA JURCHIS, MELANIA ARDELEAN, NADIA CORNU, MIRELA DANILA Corresponding Author: IOAN SPOREA Affiliations: Department of Gastroenterology and Hepatology, “Victor Babeș” University of Medicine and Pharmacy Timișoara, Romania Objective: to evaluate the usefulness of Transient Elastography (TE) for the evaluation

of subjects chronically infected with hepatitis B virus (HBV). Methods: Our study included 604 successive patients chronically infected with this website HBV, evaluated in our Department between June 2007-December 2012 (293 HBV non-replicative carriers, 217 patients with chronic hepatitis B evaluated by liver biopsy – LB, and 94 patients with liver cirrhosis diagnosed by means of biological, clinical, ultrasonographic and/or endoscopic criteria). In each patient we performed liver stiffness measurements (LSMs) by using a FibroScan device (Echosens, Paris, France). Ten valid LSMs were performed in each patient, by using the standard M-probe; a median value was calculated and expressed in kiloPascals (kPa). TE measurements were considered reliable if 10 valid measurements could be acquired with at least 60% success rate and less than 30% interquartile range interval. Results: Reliable LSM measurements were obtained in 84.1% of patients. The mean value of LSMs in HBV carries was 5.8±2.5 kPa (median 5.4). In patients with LB, the mean values of LSMs (kPa) according to the different stages of fibrosis were: F0-1 – 6.2±1.8 (median 6), F2-7.1±1.2 (median 6.8), F3-9.5±3.9 (median 8.8) and F4-18.4±8.8 (median 15.9). The best TE cut-offs for predicting various stages of liver fibrosis were: F≥2 – 7.8 kPa (AUROC=0.663), F≥3 – 8.6 kPa (AUROC=0.771), F=4-13.


“Sequences of the nuclear internal transcribed spacer 1 (I


“Sequences of the nuclear internal transcribed spacer 1 (ITS1) region and the chloroplast rbcL gene were obtained from 86 specimens of Ulva (including “Enteromorpha”) from five of the main Hawaiian Islands. These 86 specimens were divided into 11 operational taxonomic units (OTUs) based on analyses of primary sequence data and comparisons

of ITS1 secondary structure. Selleckchem Tamoxifen Of the 11 OTUs, six have not previously been reported from anywhere in the world. Only three represented exact sequence matches to named species (Ulva lactuca L., syn. U. fasciata Delile; U. ohnoi Hiraoka et Shimada); two others represented exact sequence matches to unnamed species from Japan and New Zealand. Of the 12 species names currently in use for Hawaiian Ulva, only one, U. lactuca (as U. fasciata), was substantiated. General morphology of the specimens did not always correspond with molecular OTUs; for example, reticulate thallus morphology, previously

considered diagnostic for the species U. reticulata Forssk., was expressed in thalli assigned to U. ohnoi and to one of the novel OTUs. This finding confirms a number of recent studies and provides further support for a molecular EGFR inhibitor drugs species concept for Ulva. These results suggest that Ulva populations in tropical and subtropical regions consist of species that are largely unique to these areas, for which the application of names based on types from temperate and boreal European and North American waters is inappropriate. Ulva ohnoi, a “green tide” species, is reported from Hawaii for the first time. “
“Although the dinophytes generally possess red-algal-derived secondary

plastids, tertiary plastids originating from haptophyte and diatom ancestors are recognized in some lineages within check details the Dinophyta. However, little is known about the nuclear-encoded genes of plastid-targeted proteins from the dinophytes with diatom-derived tertiary plastids. We analyzed the sequences of the nuclear psbO gene encoding oxygen-evolving enhancer protein from various algae with red-algal-derived secondary and tertiary plastids. Based on our sequencing of 10 new genes and phylogenetic analysis of PsbO amino acid sequences from a wide taxon sampling of red algae and organisms with red-algal-derived plastids, dinophytes form three separate lineages: one composed of peridinin-containing species with secondary plastids, and the other two having haptophyte- or diatom-derived tertiary plastids and forming a robust monophyletic group with haptophytes and diatoms, respectively.