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https://www.readbyqxmd.com/read/29352746/the-common-bean-cok-4-and-the-arabidopsis-fer-kinase-domain-share-similar-function-in-plant-growth-and-defense
#1
Rafhael Felipin Azevedo, Maria Celeste Gonçalves Vidigal, Paula Rodrigues Oblessuc, Maeli Melotto
Receptor-like kinases are membrane proteins that can be shared by diverse signaling pathways. Among them, the Arabidopsis thaliana FERONIA (FER) plays a role in the balance between distinct signals to control growth and defense. We have found that COK-4, a putative kinase encoded in the common bean anthracnose resistance locus Co-4 that is transcriptionally regulated during immune response, is highly similar to the kinase domain of FER. To assess whether COK-4 is a functional ortholog of FER, we expressed COK-4 in the wild type Col-0 and the fer-5 mutant of Arabidopsis and evaluated FER-associated traits...
January 20, 2018: Molecular Plant Pathology
https://www.readbyqxmd.com/read/29352623/effect-of-method-of-anesthesia-on-the-reproductive-and-obstetric-outcomes-of-heterotopic-pregnancies
#2
F Liu, Y F Liu, J Liu, Y Huang, G F Xu, J Cai, Y Chen, Y Q Wu, Y Y Ying, R J Zhang, D Zhang
BACKGROUND: Anesthesia is commonly used for surgical termination of the extrauterine component of heterotopic pregnancy. We sought to evaluate the effects of general and regional anesthesia during salpingectomy on reproductive and obstetric outcomes of heterotopic pregnancies. METHODS: A two-center, retrospective cohort study was conducted, and 49 heterotopic pregnancies were included. Baseline characteristics, reproductive and obstetric outcomes were compared between the general anesthesia and regional anesthesia groups...
December 7, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/29352599/-detection-of-chlamydia-abortus-in-bovine-reproductive-losses-in-the-province-of-la-pampa-argentina
#3
María Del C Rojas, Marcelo Fort, Simone Bettermann, Carolina Entrocassi, Sixto R Costamagna, Konrad Sachse, Marcelo Rodríguez Fermepin
Reproductive losses linked to an infectious etiology in bovine cattle are a major economic concern worldwide. In Argentina, more than 50% of abortion cases have unknown causes. Species belonging to Chlamydiaceae family are frequent etiologic agents of abortion around the world; however, there is yet no information on their prevalence in Argentina. The objective of this work was to identify Chlamydia spp., and particularly C. abortus in reproductive losses from bovine cattle in La Pampa, Argentina. Real time PCR targeting Chlamydiaceae-specific DNA fragments was performed on 251 samples obtained from bovine abortions and stillborns, and ArrayTube was used for species identification on positive samples...
January 16, 2018: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29352509/molecular-evidence-to-suggest-pigeon-type-chlamydia-psittaci-in-association-with-an-equine-foal-loss
#4
M Jelocnik, C Jenkins, B O'Rourke, J Barnwell, A Polkinghorne
Chlamydia psittaci is an important avian pathogen with spillover from infected wild and domesticated birds also posing a risk to human health. We recently reported a case of C. psittaci equine placentitis associated with further spillover to humans. Molecular typing of this case revealed it belonged to the 6BC clade of C. psittaci, a globally distributed highly virulent set of strains, typically linked to infection spillover from parrots. Equine chlamydiosis associated with C. psittaci infection has previously been reported elsewhere in countries where parrots are not endemic, however, raising questions over the identity of infecting C...
January 19, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29352501/predictors-of-beef-calf-temperament-at-weaning-and-its-impact-on-temperament-at-breeding-and-reproductive-performance
#5
V R Kasimanickam, R L Abdel Aziz, H M Williams, R K Kasimanickam
Two experiments were conducted to determine (i) factors influencing calf temperament at weaning, (ii) association between heifer-calf temperament at weaning and temperament at breeding and (iii) effect of heifer-calf temperament on pregnancy rate per artificial insemination (P/AI). In experiment 1, beef cows and their calves (n = 285) from three farms were used. Sire docility estimated progeny difference (EPD) score, birth type (normal or assisted), calf gender, calf behaviour (during 1st 4 weeks) and calf health status (until weaning) were recorded...
January 19, 2018: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29352457/geographic-vocal-variation-and-perceptual-discrimination-abilities-in-male-australian-sea-lions
#6
Heidi Ahonen, Robert G Harcourt, Adam J Stow, Isabelle Charrier
Vocal characteristics can vary among and within populations. In species with geographic variation in the structure of vocalizations, individuals may have the ability to discriminate between calls from local and non-local individuals. The ability to distinguish differences in acoustic signals is likely to have a significant influence on the outcome of social interactions between individuals, including potentially mate selection and breeding success. Pinnipeds (seals, fur seals, sea lions and walruses) are highly vocal yet the Australian sea lion (Neophoca cinerea) is the only eared seal known to show geographic vocal variation in male barks...
January 19, 2018: Animal Cognition
https://www.readbyqxmd.com/read/29352238/molting-site-fidelity-accounts-for-colony-elimination-of-the-formosan-subterranean-termites-isoptera-rhinotermitidae-by-chitin-synthesis-inhibitor-baits
#7
G Kakkar, W Osbrink, N-Y Su
Site fidelity by molting termites in Formosan subterranean termite, Coptotermes formosanus Shiraki colonies is a new addition to our understanding of lower termites' behavior and biology. Our previous studies indicated that workers moved to the central nest to molt in the presence of eggs and reproductives. The current study showed that noviflumuron-affected workers also return to the central nest and died in the vicinity of reproductives and eggs. The aversion to the dead and decaying workers caused reproductives and brood to leave the original central nest site in a colony and refuge at newer sites every few days in response to newly dead workers near them...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352164/determinants-of-breast-size-in-asian-women
#8
Li Yan Lim, Peh Joo Ho, Jenny Liu, Wen Yee Chay, Min-Han Tan, Mikael Hartman, Jingmei Li
Breast size as a risk factor of breast cancer has been studied extensively with inconclusive results. Here we examined the associations between breast size and breast cancer risk factors in 24,353 Asian women aged 50 to 64 years old enrolled in a nationwide mammography screening project conducted between October 1994 and February 1997. Information on demographic and reproductive factors was obtained via a questionnaire. Breast size was ascertained as bust line measured at study recruitment and total breast area measured from a mammogram...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352157/prevalence-of-parenthood-in-wheelchair-dependent-persons-with-long-term-spinal-cord-injury-in-the-netherlands
#9
K van den Borne, I Brands, D Spijkerman, J J E Adriaansen, K Postma, H J G van den Berg-Emons
STUDY DESIGN: Multicenter  cross-sectional study. OBJECTIVES: To determine the prevalence of parenthood in long-term wheelchair-dependent persons who sustained a spinal cord injury (SCI) during their reproductive years. Secondary aims were to (1) explore patient-specific and disease-related factors associated with parenthood after SCI; and (2) quantify fertility aids used by men with SCI. SETTING: Eight specialized SCI rehabilitation centers in the Netherlands...
January 19, 2018: Spinal Cord
https://www.readbyqxmd.com/read/29351853/cardiac-biomarkers-as-sensitive-tools-to-evaluate-the-impact-of-xenobiotics-on-amphibians-the-effects-of-anionic-surfactant-linear-alkylbenzene-sulfonate-las
#10
Monica Jones-Costa, Lilian Franco-Belussi, Felipe Augusto Pinto Vidal, Nathália Penteado Gongora, Luciano Mendes Castanho, Cleoni Dos Santos Carvalho, Elaine Cristina Mathias Silva-Zacarin, Fabio Camargo Abdalla, Iolanda Cristina Silveira Duarte, Classius De Oliveira, Cristiane Ronchi de Oliveira, Raquel Fernanda Salla
Amphibian populations have been experiencing a drastic decline worldwide. Aquatic contaminants are among the main factors responsible for this decline, especially in the aquatic environment. The linear alkylbenzene sulfonate (LAS) is of particular concern, since it represents 84% of the anionic surfactants' trade. In Brazil, the maximal LAS concentration allowed in fresh waters is 0.5mgL-1, but its potential harmful effects in amphibians remain unknown. Therefore, this study aimed to analyze the effects of a sublethal concentration of LAS (0...
January 16, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29351778/a-qualitative-analysis-of-men-s-involvement-in-maternal-and-child-health-as-a-policy-intervention-in-rural-central-malawi
#11
Elizabeth Mkandawire, Sheryl L Hendriks
BACKGROUND: Men's involvement in maternal and child health presents an opportunity for the advancement of maternal and child nutrition as men often play a key role in decision-making particularly regarding women's reproductive health. While most research on men's involvement in maternal and child health has focused on men's participation in antenatal care, this study focuses specifically on men's involvement in maternal and child nutrition. The purpose of the study is to explore how men's involvement is conceptualised in rural Central Malawi, highlighting the key factors influencing men's involvement in maternal and child health...
January 19, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29351662/the-versatile-tanycyte-a-hypothalamic-integrator-of-reproduction-and-energy-metabolism
#12
Vincent Prevot, Bénédicte Dehouck, Ariane Sharif, Philippe Ciofi, Paolo Giacobini, Jerome Clasadonte
The fertility and survival of an individual rely on the ability of the periphery to promptly, effectively and reproducibly communicate with brain neural networks that control reproduction, food intake and energy homeostasis. Tanycytes, a specialized glial cell type lining the wall of the third ventricle in the median eminence of the hypothalamus, appear to act as the linchpin of these processes by dynamically controlling the secretion of neuropeptides into the portal vasculature by hypothalamic neurons and regulating blood-brain and blood-cerebrospinal fluid exchanges, both processes that depend on the ability of these cells to adapt their morphology to the physiological state of the individual...
January 17, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29351633/evolutionary-genetics-of-cytoplasmic-incompatibility-genes-cifa-and-cifb-in-prophage-wo-of-wolbachia
#13
Amelia R I Lindsey, Danny W Rice, Sarah R Bordenstein, Andrew W Brooks, Seth R Bordenstein, Irene L G Newton
The bacterial endosymbiont Wolbachia manipulates arthropod reproduction to facilitate its maternal spread through host populations. The most common manipulation is cytoplasmic incompatibility (CI): Wolbachia-infected males produce modified sperm that cause embryonic mortality, unless rescued by embryos harboring the same Wolbachia. The genes underlying CI, cifA and cifB, were recently identified in the eukaryotic association module of Wolbachia's prophage WO. Here, we use transcriptomic and genomic approaches to address three important evolutionary facets of the cif genes...
January 17, 2018: Genome Biology and Evolution
https://www.readbyqxmd.com/read/29351609/inequity-in-contraceptive-care-between-refugees-and-other-migrant-women-a-retrospective-study-in-dutch-general-practice
#14
Liselotte A D Raben, Maria E T C van den Muijsenbergh
Background: Female refugees are at high risk of reproductive health problems including unmet contraceptive needs. In the Netherlands, the general practitioner (GP) is the main entrance to the healthcare system and plays a vital role in the prescription of contraceptives. Little is known about contraceptive care in female refugees in primary care. Objective: To get insight into GP care related to contraception in refugees and other migrants compared with native Dutch women...
January 17, 2018: Family Practice
https://www.readbyqxmd.com/read/29351591/could-seasonally-deteriorating-environments-favour-the-evolution-of-autogamous-selfing-and-a-drought-escape-physiology-through-indirect-selection-a-test-of-the-time-limitation-hypothesis-using-artificial-selection-in-clarkia
#15
Simon K Emms, Alisa A Hove, Leah S Dudley, Susan J Mazer, Amy S Verhoeven
Background and Aims: The evolution of selfing from outcrossing may be the most common transition in plant reproductive systems and is associated with a variety of ecological circumstances and life history strategies. The most widely discussed explanation for these associations is the reproductive assurance hypothesis - the proposition that selfing is favoured because it increases female fitness when outcross pollen receipt is limited. Here an alternative explanation, the time limitation hypothesis, is addressed, one scenario of which proposes that selfing may evolve as a correlated response to selection for a faster life cycle in seasonally deteriorating environments...
January 17, 2018: Annals of Botany
https://www.readbyqxmd.com/read/29351587/heat-exposure-induces-oxidative-stress-and-dna-damage-in-the-male-germ-line
#16
Brendan J Houston, Brett Nixon, Jacinta H Martin, Geoffry N D E Iuliis, Elizabeth G Bromfield, Kristen E McEwen, R John Aitkena
The reproductive consequences of global warming are not currently understood. In order to address this issue we have examined the reproductive consequences of exposing male mice to a mild heat stress. For this purpose, adult male mice were exposed to an elevated ambient temperature of 35°C under two exposure models. The first involved acute exposure for 24 hours, followed by recovery periods of between 1 day and 6 weeks. The alternative heating regimen involved a daily exposure of 8 hours for periods of 1 or 2 weeks...
January 17, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29351580/maternal-nutrient-restriction-impairs-young-adult-offspring-ovarian-signaling-resulting-in-reproductive-dysfunction-and-follicle-loss
#17
K A Chan, P A Jazwiec, W Gohir, J J Petrik, D M Sloboda
Reproductive abnormalities are included as health complications in offspring exposed to poor prenatal nutrition. We have previously shown in a rodent model, that offspring born to nutrient restriction during pregnancy are born small, enter puberty early, and display characteristics of early ovarian aging as adults. The present study investigated whether key proteins involved in follicle recruitment and growth mediate ovarian follicle loss. Pregnant rats were randomized to: a standard diet throughout pregnancy and lactation (CON), or a calorie-restricted (50% of control) diet (UN) during pregnancy...
January 17, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29351485/insulin-signaling-displayed-a-differential-tissue-specific-response-to-low-dose-dht-in-female-mice
#18
Stanley Andrisse, Katelyn Billings, Ping Xue, Sheng Wu
Hyperandrogenemia and hyperinsulinemia are believed to play prominent roles in polycystic ovarian syndrome (PCOS). We explored the effects of low dose dihydrotestosterone (DHT), a PCOS model, on insulin signaling in metabolic and re-productive tissues in a female mouse model. Insulin resistance in the energy storage tissues is associated with type 2 diabetes. Insulin signaling in the ovaries and pituitary either directly or indirectly stimulates androgen production. Energy storage and reproductive tissues were isolated and molecular assays were performed...
December 19, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351326/increased-natural-reproduction-and-genetic-diversity-one-generation-after-cessation-of-a-steelhead-trout-oncorhynchus-mykiss-conservation-hatchery-program
#19
Barry A Berejikian, Donald M Van Doornik
Spatial and temporal fluctuations in productivity and abundance confound assessments of captive propagation programs aimed at recovery of Threatened and Endangered populations. We conducted a 17 year before-after-control-impact experiment to determine the effects of a captive rearing program for anadromous steelhead trout (Oncorhynchus mykiss) on a key indicator of natural spawner abundance (naturally produced nests or 'redds'). The supplemented population exhibited a significant (2.6-fold) increase in redd abundance in the generation following supplementation...
2018: PloS One
https://www.readbyqxmd.com/read/29351152/ebola-infection-in-pregnancy-a-global-perspective-and-lessons-learned
#20
Lisa B Haddad, John Horton, Bruce S Ribner, Denise J Jamieson
The 2014 to 2016 Ebola outbreak, primarily based in 3 West African countries, had far-reaching global effects. Importantly, the crisis highlighted large gaps in reproductive health services in affected countries and inadequate health care system preparedness for obstetrical patients in the setting of highly contagious infectious diseases. We aim to review Ebola virus effects with a focus on the obstetrical implications in the context of this recent Ebola outbreak, discuss the lessons learned following this outbreak and propose current measures specific to obstetrics that should be considered in preparation for the next concerning emergent infectious disease...
March 2018: Clinical Obstetrics and Gynecology
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