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https://www.readbyqxmd.com/read/29851374/evaluation-of-the-genus-thiothrix-winogradsky-1888-approved-lists-1980-emend-aruga-et-al-2002-reclassification-of-thiothrix-disciformis-to-thiolinea-disciformis-gen-nov-comb-nov-and-of-thiothrix-flexilis-to-thiofilum-flexile-gen-nov-comb-nov-with-emended-description
#1
Rich Boden, Kathleen M Scott
Thiothrix is the type genus of the Thiotrichaceae in the Thiotrichales of the Gammaproteobacteria, comprising nine species of sulfur-oxidising filamentous bacteria, which are variously autotrophic, heterotrophic or have mixed metabolic modes. Within the genus, four species show 16S rRNA gene identities lower the Yarza threshold for the rank of genus (94.5 %) - Thiothrix disciformis, Thiothrix flexilis, Thiothrix defluvii and Thiothrix eikelboomii - as they show no affiliation to extant genera, a polyphasic study was undertaken including biochemical, physiological and genomic properties and phylogeny based on the 16S rRNA gene (rrs), recombination protein A (RecA), polynucleotide nucleotidyltransferase (Pnp), translation initiation factor IF-2 (InfB), glyceraldehyde-3-phosphate dehydrogenase (GapA), glutaminyl-tRNA synthetase (GlnS), elongation factor EF-G (FusA) and concatamers of 53 ribosomal proteins encoded by rps, rpl and rpm operons, all of which support the reclassification of these species...
May 31, 2018: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29850449/de-novo-balanced-robertsonian-translocation-rob-22-22-q10-q10-in-a-woman-with-recurrent-pregnancy-loss-a-rare-case
#2
Nawras Alhalabi, Walid Al-Achkar, Abdulsamad Wafa, Mazen Kenj, Marwan Alhalabi
Background: Recurrent pregnancy loss (RPL), one of the most common complications of pregnancy, is responsible for significant emotional distress to the couple desiring to conceive. In almost 50% of the cases, the etiology remains unknown. The frequency of chromosomal structural rearrangements associated with a history of RPL in couples varies between 2% to 8%. Robertsonian translocations (ROBs) have an estimated incidence rate of 1/1000 births, making this type of rearrangement the most common structural chromosomal abnormalities seen in the general population...
January 2018: Journal of Reproduction & Infertility
https://www.readbyqxmd.com/read/29797531/hla-g-regulatory-variants-and-haplotypes-with-susceptibility-to-recurrent-pregnancy-loss
#3
N Yazdani, M Shekari Khaniani, M Bastami, T Ghasemnejad, F Afkhami, S Mansoori Derakhshan
HLA-G is a nonclassical Class I major histocompatibility complex (MHC) gene. This gene has a limited protein alteration that is produced by alternative splicing and can be important in the preservation of pregnancy. Recent findings suggest that alteration in HLA-G gene expression can lead to pregnancy failure, such as recurrent pregnancy loss (RPL). As the promoter SNPs of the gene may impact the HLA-G expression levels, the study of these SNPs is very important. In this study, for the promoter region of HLA-G gene in the case group (100 women with a history of two or more repeated miscarriages) and the control group (100 women with at least two successful pregnancies), PCR reaction was performed...
May 24, 2018: International Journal of Immunogenetics
https://www.readbyqxmd.com/read/29793356/ongoing-pregnancies-in-patients-with-unexplained-recurrent-pregnancy-loss-adverse-obstetric-outcomes
#4
Mauro Cozzolino, Francesca Rizzello, Chiara Riviello, Chiara Romanelli, Maria Coccia Elisabetta
To investigate the incidence of adverse pregnancy outcomes in couples with an unexplained Recurrent Pregnancy Loss (RPL) history, a retrospective cohort study was conducted between 2014 and 2015. The study group (A) included couples with an unexplained RPL, and the control group (B) was composed of couples who attended the Low-Risk Antenatal Unit during the same period. On the other hand, 53 couples were included in the study group (A) and on the other hand, 65 in the control group (B). Women with previous unexplained recurrent pregnancies loss had a significantly increased risk of gestational diabetes with 12 cases (22...
May 25, 2018: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/29790997/a-multi-institutional-study-of-independent-calculation-verification-in-inhomogeneous-media-using-a-simple-and-effective-method-of-heterogeneity-correction-integrated-with-the-clarkson-method
#5
Shunta Jinno, Hidenobu Tachibana, Shunsuke Moriya, Norifumi Mizuno, Ryo Takahashi, Tatsuya Kamima, Satoru Ishibashi, Masanori Sato
In inhomogeneous media, there is often a large systematic difference in the dose between the conventional Clarkson algorithm (C-Clarkson) for independent calculation verification and the superposition-based algorithms of treatment planning systems (TPSs). These treatment site-dependent differences increase the complexity of the radiotherapy planning secondary check. We developed a simple and effective method of heterogeneity correction integrated with the Clarkson algorithm (L-Clarkson) to account for the effects of heterogeneity in the lateral dimension, and performed a multi-institutional study to evaluate the effectiveness of the method...
May 21, 2018: Journal of Radiation Research
https://www.readbyqxmd.com/read/29781316/fas-and-fasl-genetic-polymorphisms-in-women-with-recurrent-pregnancy-loss-a-case-control-study
#6
Ae Ra Han, Young Min Choi, Min A Hong, Jin Ju Kim, Sung Ki Lee, Kwang Moon Yang, Eun Chan Paik, Hyeon Jeong Jeong, Jong Kwan Jun
Aberrant apoptosis at the trophoblast-maternal interface and abnormal expression of Fas and Fas ligand (FasL) have been reported in complicated pregnancies with recurrent pregnancy losses (RPL) and preeclampsia. We assessed the prevalence of Fas and FasL genetic polymorphisms in Korean women with RPL and in fertile controls. In total, 306 women with RPL and 298 fertile controls were enrolled. Genotype distributions of Fas and FasL in RPL patients versus fertile controls were examined under the Hardy-Weinberg equilibrium...
May 20, 2018: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/29765295/incentives-for-blood-donation-a-discrete-choice-experiment-to-analyze-extrinsic-motivation
#7
Andrew Sadler, Ling Shi, Susanne Bethge, Axel Mühlbacher
Background: Demographic trends affect size and age structure of populations. One of the consequences will be an increasing need for blood products to treat age-related diseases. Donation services rely on voluntariness and charitable motivation. It might be questioned whether there will be sufficient blood supply with voluntary donation. The present study focused on elicitation of preferences for incentives and aimed to contribute to the discussion on how to increase donation rates. Methods: A self-administered discrete choice experiment (DCE) was applied...
April 2018: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29764377/transcriptome-display-during-tilapia-sex-determination-and-differentiation-as-revealed-by-rna-seq-analysis
#8
Wenjing Tao, Jinlin Chen, Dejie Tan, Jing Yang, Lina Sun, Jing Wei, Matthew A Conte, Thomas D Kocher, Deshou Wang
BACKGROUND: The factors determining sex in teleosts are diverse. Great efforts have been made to characterize the underlying genetic network in various species. However, only seven master sex-determining genes have been identified in teleosts. While the function of a few genes involved in sex determination and differentiation has been studied, we are far from fully understanding how genes interact to coordinate in this process. RESULTS: To enable systematic insights into fish sexual differentiation, we generated a dynamic co-expression network from tilapia gonadal transcriptomes at 5, 20, 30, 40, 90, and 180 dah (days after hatching), plus 45 and 90 dat (days after treatment) and linked gene expression profiles to both development and sexual differentiation...
May 15, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29717220/conserved-and-novel-responses-to-cytokinin-treatments-during-flower-and-fruit-development-in-brassica-napus-and-arabidopsis-thaliana
#9
Victor M Zuñiga-Mayo, Cesar R Baños-Bayardo, David Díaz-Ramírez, Nayelli Marsch-Martínez, Stefan de Folter
Hormones are an important component in the regulatory networks guiding plant development. Cytokinins are involved in different physiological and developmental processes in plants. In the model plant Arabidopsis thaliana, cytokinin application during gynoecium development produces conspicuous phenotypes. On the other hand, Brassica napus, also known as canola, is a crop plant belonging to the Brassicaceae family, as A. thaliana. This makes B. napus a good candidate to study whether the cytokinin responses observed in A...
May 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29716435/micromolar-zinc-in-annexin-a5-anticoagulation-as-a-potential-remedy-for-rprgl3-associated-recurrent-pregnancy-loss
#10
Hayrünnisa Danisik, Nadia Bogdanova, Arseni Markoff
Deficient expression of the placental anticoagulant annexin A5 (ANXA5) has been associated with thrombophilia-related pregnancy complications and ultimately with recurrent pregnancy loss (RPL). Carrier status of M2/ANXA5 ( RPRGL3), common ANXA5 promoter variant, has been identified as genetic cause of reduced ANXA5 levels and proposed as biomarker for successful anticoagulant treatment of RPL women. A murine model of AnxA5 loss of function displayed characteristic placental pathology and fetal loss that was alleviated through anticoagulant intervention...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29703881/the-association-of-factor-v-g1961a-factor-v-leiden-prothrombin-g20210a-mthfr-c677t-and-pai-1-4g-5g-polymorphisms-with-recurrent-pregnancy-loss-in-bosnian-women
#11
Amela Jusić, Devleta Balić, Aldijana Avdić, Maja Pođanin, Adem Balić
Aim To investigate association of factor V Leiden, prothrombin G20210A, MTHFR C677T and PAI-1 4G/5G polymorphisms with recurrent pregnancy loss in Bosnian women. Methods A total of 60 women with two or more consecutive miscarriages before 20 weeks of gestation with the same partners and without history of known causes or recurrent pregnancy loss were included. A control group included 80 healthy women who had one or more successful pregnancies without history of any complication which could be associated with miscarriages...
August 1, 2018: Medicinski Glasnik
https://www.readbyqxmd.com/read/29692678/association-of-genetic-variants-of-pd1-with-recurrent-pregnancy-loss
#12
Yuko Hayashi, Takeshi Nishiyama, Masahiro Nakatochi, Shugo Suzuki, Satoru Takahashi, Mayumi Sugiura-Ogasawara
Purpose: Programmed cell death 1 (PD1) and PD ligand 1 (PDL1) are speculated to have an important role in maintaining a normal pregnancy and there are also a few reports of an association between the single-nucleotide polymorphisms (SNPs) of PD1 or PDL1 and diseases in humans. The association was examined between the polymorphisms of PD1 , PDL1 , CTLA4 and recurrent pregnancy loss (RPL). Methods: The study group consisted of 243 women with two or more pregnancy losses and 176 parous women...
April 2018: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29690524/sigma-routing-metric-for-rpl-protocol
#13
Paul Sanmartin, Aldo Rojas, Luis Fernandez, Karen Avila, Daladier Jabba, Sebastian Valle
This paper presents the adaptation of a specific metric for the RPL protocol in the objective function MRHOF. Among the functions standardized by IETF, we find OF0, which is based on the minimum hop count, as well as MRHOF, which is based on the Expected Transmission Count (ETX). However, when the network becomes denser or the number of nodes increases, both OF0 and MRHOF introduce long hops, which can generate a bottleneck that restricts the network. The adaptation is proposed to optimize both OFs through a new routing metric...
April 21, 2018: Sensors
https://www.readbyqxmd.com/read/29675486/granulocyte-colony-stimulating-factor-gene-rs1042658-variant-and-susceptibility-to-idiopathic-recurrent-pregnancy-loss-a-case-control-study
#14
Mahboobeh Nasiri, Kobra Jahangirizadeh
Background: Granulocyte colony-in stimulating factor ( G-CSF ) gene can be a potential candidate gene implicated recurrent pregnancy loss (RPL), a common complication of pregnancy with the prevalence of 1-5% among women of reproductive age. Objective: To investigate the association between rs1042658 polymorphism in the 3' untranslated region (3'UTR) of G-CSF gene and the risk of unexplained RPL among Iranian women. Materials and Methods: In total, 122 women with unexplained RPL and 140 healthy postmenopausal women as a control group were enrolled in this case-control study...
January 2018: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29674929/home-at-last-ii-gerbera-hieracioides-kunth-zardini-mutisieae-asteraceae-is-really-a-chaptalia
#15
Xiaodan Xu, Wei Zheng, Vicki A Funk, Jun Wen
Gerbera hieracioides (Kunth) Zardini of the Gerbera -complex (Mutisieae, Asteraceae/Compositae) is distributed in Ecuador and Peru. This perennial herb was first named as Onoseris hieracioides Kunth and was later recognised as Trichocline hieracioides (Kunth) Ferreyra. Now it is generally treated as Gerbera hieracioides (Kunth) Zardini but it has never been included in any section of Gerbera . In this study, the position of Gerbera hieracioides is assessed based on morphology and a molecular phylogeny that includes G...
2018: PhytoKeys
https://www.readbyqxmd.com/read/29670450/home-at-last-iii-transferring-uechtritzia-and-asian-gerbera-species-into-oreoseris-compositae-mutisieae
#16
Xiaodan Xu, Wei Zheng, Vicki A Funk, Kexin Li, Jie Zhang, Jun Wen
Recently the Asian Gerbera species were shown to form a clade that was not the sister group of the African Gerbera . In this study, the position of the Asian Gerbera species was further assessed based on morphology and molecular phylogenetic analyses that included six Asian Gerbera and 26 other species from the Gerbera -complex. Morphological results showed that the six Asian Gerbera species, which were sampled, bear leaves with the adaxial epidermal surface lacking stomates, possess bracteate scapes and lack inner ray florets...
2018: PhytoKeys
https://www.readbyqxmd.com/read/29665864/recurrent-pregnancy-loss-is-associated-to-leaky-gut-a-novel-pathogenic-model-of-endometrium-inflammation
#17
C Tersigni, S D'Ippolito, F Di Nicuolo, R Marana, V Valenza, V Masciullo, F Scaldaferri, F Malatacca, C de Waure, A Gasbarrini, G Scambia, N Di Simone
BACKGROUND: Recurrent pregnancy loss (RPL) occurs in 3-5% in about 30% of cases no cause can be found. Women with RPL show higher prevalence of undiagnosed gut disorders. Furthermore, in endometrial tissues of RPL women, higher expression of pro-inflammatory cytokines and Nalp-3 inflammasome has been observed. Aim of this study was to investigate whether an abnormal gut permeability might occur in RPL women and allow passage into systemic circulation of pro-inflammatory molecules able to induce endometrial inflammation...
April 17, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29659508/escalator-an-autonomous-scheduling-scheme-for-convergecast-in-tsch
#18
Sukho Oh, DongYeop Hwang, Ki-Hyung Kim, Kangseok Kim
Time Slotted Channel Hopping (TSCH) is widely used in the industrial wireless sensor networks due to its high reliability and energy efficiency. Various timeslot and channel scheduling schemes have been proposed for achieving high reliability and energy efficiency for TSCH networks. Recently proposed autonomous scheduling schemes provide flexible timeslot scheduling based on the routing topology, but do not take into account the network traffic and packet forwarding delays. In this paper, we propose an autonomous scheduling scheme for convergecast in TSCH networks with RPL as a routing protocol, named Escalator...
April 16, 2018: Sensors
https://www.readbyqxmd.com/read/29658346/association-between-thrombophilia-gene-polymorphisms-and-recurrent-pregnancy-loss-risk-in-the-iranian-population
#19
Razieh Bigdeli, Mohammad Reza Younesi, Erfan Panahnejad, Vahid Asgary, Samaneh Heidarzadeh, Hoda Mazaheri, Samira Louni Aligoudarzi
Miscarriage is the most common complication in pregnancy. Considering the importance of the problem thrombophilia in pregnant women and its association with recurrent pregnancy loss (RPL), analysis of polymorphisms of genes involved in thrombophilia can be useful. We investigated the frequency and association between ten polymorphisms of seven thrombophilia genes and RPL in an Iranian population. This case-control study was conducted on 200 women with recurrent pregnancy loss and also on 200 women with at least one successful pregnancy as the control group...
April 15, 2018: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29651937/an-emerging-role-of-endometrial-inflammasome-in-reproduction-new-therapeutic-approaches
#20
Fiorella Di Nicuolo, Monia Specchia, Lorenza Trentavizi, Giovanni Scambia, Nicoletta Di Simone
One of the common complications of pregnancy is spontaneous pregnancy loss which occurs in an estimated 5- 15% of pregnancies. Of all women 1%-5% suffer from recurrent pregnancy loss (RPL). Despite the fact that RPL has been associated to various anatomic, hormonal, immune, hematologic, and genetic defects, in 30% of the patients, screening tests included in the RPL workup may have negative results. Recently, we demonstrated a significant increased activation of endometrial NALP-3 inflammasome, and a caspase-1 dependent secretion of IL-18 and IL-1β in the endometrial tissues obtained from RPL women compared with a fertile women group...
April 12, 2018: Protein and Peptide Letters
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