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https://www.readbyqxmd.com/read/29786693/hormonebase-a-population-level-database-of-steroid-hormone-levels-across-vertebrates
#1
Maren N Vitousek, Michele A Johnson, Jeremy W Donald, Clinton D Francis, Matthew J Fuxjager, Wolfgang Goymann, Michaela Hau, Jerry F Husak, Bonnie K Kircher, Rosemary Knapp, Lynn B Martin, Eliot T Miller, Laura A Schoenle, Jennifer J Uehling, Tony D Williams
Hormones are central regulators of organismal function and flexibility that mediate a diversity of phenotypic traits from early development through senescence. Yet despite these important roles, basic questions about how and why hormone systems vary within and across species remain unanswered. Here we describe HormoneBase, a database of circulating steroid hormone levels and their variation across vertebrates. This database aims to provide all available data on the mean, variation, and range of plasma glucocorticoids (both baseline and stress-induced) and androgens in free-living and un-manipulated adult vertebrates...
May 22, 2018: Scientific Data
https://www.readbyqxmd.com/read/29786171/root-bacterial-endophytes-confer-drought-resistance-and-enhance-expression-and-activity-of-a-vacuolar-h-pumping-pyrophosphatase-in-pepper-plants
#2
Gianpiero Vigani, Eleonora Rolli, Ramona Marasco, Marta Dell'Orto, Grégoire Michoud, Asma Soussi, Noura Raddadi, Sara Borin, Claudia Sorlini, Graziano Zocchi, Daniele Daffonchio
It has been previously shown that the transgenic overexpression of the plant root vacuolar proton pumps H+ -ATPase (V-ATPase) and H+ -PPase (V-PPase) confer tolerance to drought. Since plant-root endophytic bacteria can also promote drought tolerance, we hypothesize that such promotion can be associated to the enhancement of the host vacuolar proton pumps expression and activity. To test this hypothesis, we selected two endophytic bacteria endowed with an array of in vitro plant growth promoting traits. Their genome sequences confirmed the presence of traits previously shown to confer drought resistance to plants, such as the synthesis of nitric oxide and of organic volatile organic compounds...
May 22, 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29786147/timing-and-frequency-of-sublethal-exposure-modifies-the-induction-and-retention-of-increased-insecticide-tolerance-in-wood-frogs-lithobates-sylvaticus
#3
Devin K Jones, Erika K Yates, Brian M Mattes, William D Hintz, Matthew S Schuler, Rick A Relyea
While the paradigm for increased tolerance to pesticides has been by selection on constitutive (naïve) traits, recent research has shown it can also occur through phenotypic plasticity. However, the time period in which induction can occur, the duration of induced tolerance, and the influence of multiple induction events remain unknown. We hypothesized that the induction of increased pesticide tolerance is limited to early sensitive periods, the magnitude of induced tolerance depends on the number of exposures, and the retention of induced tolerance depends on the time elapsed after an exposure and the number of exposures...
May 22, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29786022/personality-traits-predict-a-medical-student-preference-to-pursue-a-career-in-surgery
#4
Maria Rosaria Anna Muscatello, Antonio Bruno, Giovanni Genovese, Giuseppa Gallo, Rocco Antonio Zoccali, Fortunato Battaglia
Background: In this study, we examined the impact of personality traits, assessed with the psychopathic personality inventory revised version (PPI-R), on medical students' likelihood of selecting a surgical specialty. Methods: This is a cross-sectional questionnaire-based study of 360 4th -year medical students at a single university. We used the PPI-R previously developed to evaluate "adaptive" traits within nonclinical (student) populations. Students were asked to express their specialty of choice...
September 2017: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/29785931/first-bone-cracking-dog-coprolites-provide-new-insight-into-bone-consumption-in-borophagus-and-their-unique-ecological-niche
#5
Xiaoming Wang, Stuart C White, Mairin Balisi, Jacob Biewer, Julia Sankey, Dennis Garber, Z Jack Tseng
Borophagine canids have long been hypothesized to be North American ecological 'avatars' of living hyenas in Africa and Asia, but direct fossil evidence of hyena-like bone consumption is hitherto unknown. We report rare coprolites (fossilized feces) of Borophagus parvus from the late Miocene of California and, for the first time, describe unambiguous evidence that these predatory canids ingested large amounts of bone. Surface morphology, micro-CT analyses, and contextual information reveal (1) droppings in concentrations signifying scent-marking behavior, similar to latrines used by living social carnivorans; (2) routine consumption of skeletons; (3) undissolved bones inside coprolites indicating gastrointestinal similarity to modern striped and brown hyenas; (4) B...
May 22, 2018: ELife
https://www.readbyqxmd.com/read/29785919/genomic-selection-in-dairy-cattle-simulated-populations
#6
Leonardo de Oliveira Seno, Diego Gomes Freire Guidolin, Rusbel Raul Aspilcueta-Borquis, Guilherme Batista do Nascimento, Thiago Bruno Ribeiro da Silva, Henrique Nunes de Oliveira, Danísio Prado Munari
Genomic selection is arguably the most promising tool for improving genetic gain in domestic animals to emerge in the last few decades, but is an expensive process. The aim of this study was to evaluate the economic impact related to the implementation of genomic selection in a simulated dairy cattle population. The software QMSim was used to simulate genomic and phenotypic data. The simulated genome contained 30 chromosomes with 100 cm each, 1666 SNPs markers equally spread and 266 QTLs randomly designated for each chromosome...
May 2018: Journal of Dairy Research
https://www.readbyqxmd.com/read/29785917/effect-of-season-and-breed-on-physiological-and-blood-parameters-in-buffaloes
#7
Liu Shenhe, Li Jun, Li Zipeng, Deng Tingxian, Zia Ur Rehman, Zhou Zichao, Yang Liguo
In this Research Communication we describe the effect of temperature and humidity index (THI) on various physiological traits, the plasma heat shock protein 70 (HSP70), heat shock protein 90 (HSP90) and cortisol levels and other blood parameters in crossbred buffalo (Nili-Ravi × Murrah) and Mediterranean buffalo to compare their tolerance to heat stress. As expected, crossbred buffalo had a significantly higher rectal temperature (RT), body surface temperature (BT), respiratory rate (RR), HSP70 and HSP90 levels in summer compared to spring and winter...
May 2018: Journal of Dairy Research
https://www.readbyqxmd.com/read/29785906/molecular-characterisation-of-the-buffalo-scap-gene-and-its-association-with-milk-production-traits-in-water-buffaloes
#8
Tingxian Deng, Xiaoya Ma, Chunying Pang, Shasha Liang, Xingrong Lu, Anqin Duan, Xianwei Liang
The study reported in this Research Communication was conducted to investigate the molecular characterisation of buffalo SCAP gene, expression analysis, and the association between single nucleotide polymorphisms and milk production traits in 384 buffaloes. Sequence analysis revealed the SCAP gene had an open reading frame of 3837 bp encoding 1279 amino acids. A ubiquitous expression profile of SCAP gene was detected in various tissues with extreme predominance in the mammary gland during early lactation. Moreover, eleven SNPs in buffalo SCAP gene were identified, six of them (g...
May 2018: Journal of Dairy Research
https://www.readbyqxmd.com/read/29785904/identification-of-an-immune-modulation-locus-utilising-a-bovine-mammary-gland-infection-challenge-model
#9
Mathew D Littlejohn, Sally-Anne Turner, Caroline G Walker, Sarah D Berry, Kathryn Tiplady, Ric G Sherlock, Greg Sutherland, Simon Swift, Dorian Garrick, S Jane Lacy-Hulbert, Scott McDougall, Richard J Spelman, Russell G Snell, J Eric Hillerton
Inflammation of the mammary gland following bacterial infection, commonly known as mastitis, affects all mammalian species. Although the aetiology and epidemiology of mastitis in the dairy cow are well described, the genetic factors mediating resistance to mammary gland infection are not well known, due in part to the difficulty in obtaining robust phenotypic information from sufficiently large numbers of individuals. To address this problem, an experimental mammary gland infection experiment was undertaken, using a Friesian-Jersey cross breed F2 herd...
May 2018: Journal of Dairy Research
https://www.readbyqxmd.com/read/29785901/association-of-snp-and-str-polymorphisms-of-insulin-like-growth-factor-2-receptor-igf2r-gene-with-milk-traits-in-holstein-friesian-cows
#10
Marta Dux, Magdalena Muranowicz, Eulalia Siadkowska, Dagmara Robakowska-Hyżorek, Krzysztof Flisikowski, Emilia Bagnicka, Lech Zwierzchowski
The objective of the study reported in this Research Communication was to investigate the association of polymorphisms in the insulin-like growth factor receptor 2 (IGF2R) gene with milk traits in 283 Polish Holstein-Friesian (PHF) cows from the IGAB PAS farm in Jastrzębiec. IGF2R regulates the availability of biologically active IGF2 which is considered as a genetic marker for milk or meat production in farm animals. Two novel genetic polymorphisms were identified in the bovine IGF2R gene: a polymorphic TG-repeat in intron 23 (g...
May 2018: Journal of Dairy Research
https://www.readbyqxmd.com/read/29785889/effects-of-probiotic-supplementation-on-performance-traits-bone-mineralization-cecal-microbial-composition-cytokines-and-corticosterone-in-laying-hens
#11
F F Yan, G R Murugesan, H W Cheng
Recent researches have showed that probiotics promote bone health in humans and rodents. The objective of this study was to determine if probiotics have the similar effects in laying hens. Ninety-six 60-week-old White Leghorn hens were assigned to four-hen cages based on their BW. The cages were randomly assigned to 1 of 4 treatments: a layer diet mixed with a commercial probiotic product (containing Enterococcus faecium, Pediococcus acidilactici, Bifidobacterium animalis and Lactobacillus reuteri) at 0, 0...
May 22, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29785768/a-blooming-interest-in-the-hydraulic-traits-of-flowers
#12
Sean M Gleason
No abstract text is available yet for this article.
May 21, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29785629/reproductive-dominance-strategies-in-insect-social-parasites
#13
REVIEW
Patrick Lhomme, Heather M Hines
In eusocial insects, the high cost of altruistic cooperation between colony members has favoured the evolution of cheaters that exploit social services of other species. In the most extreme forms of insect social parasitism, which has evolved multiple times across most social lineages, obligately parasitic species invade the nests of social species and manipulate the workforce of their hosts to rear their own reproductive offspring. As alien species that have lost their own sociality, these social parasites still face social challenges to infiltrate and control their hosts, thus providing independent replicates for understanding the mechanisms essential to social dominance...
May 22, 2018: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/29785398/marker-assisted-introgression-of-saltol-qtl-enhances-seedling-stage-salt-tolerance-in-the-rice-variety-pusa-basmati-1
#14
Vivek Kumar Singh, Brahma Deo Singh, Amit Kumar, Sadhna Maurya, Subbaiyan Gopala Krishnan, Kunnummal Kurungara Vinod, Madan Pal Singh, Ranjith Kumar Ellur, Prolay Kumar Bhowmick, Ashok Kumar Singh
Marker-assisted selection is an unequivocal translational research tool for crop improvement in the genomics era. Pusa Basmati 1 (PB1) is an elite Indian Basmati rice cultivar sensitive to salinity. Here, we report enhanced seedling stage salt tolerance in improved PB1 genotypes developed through marker-assisted transfer of a major QTL, Saltol . A highly salt tolerant line, FL478, was used as the Saltol donor. Parental polymorphism survey using 456 microsatellite (SSR)/QTL-linked markers revealed 14.3% polymorphism between PB1 and FL478...
2018: International Journal of Genomics
https://www.readbyqxmd.com/read/29785397/whole-genome-sequencing-of-greater-amberjack-seriola-dumerili-for-snp-identification-on-aligned-scaffolds-and-genome-structural-variation-analysis-using-parallel-resequencing
#15
Kazuo Araki, Jun-Ya Aokic, Junya Kawase, Kazuhisa Hamada, Akiyuki Ozaki, Hiroshi Fujimoto, Ikki Yamamoto, Hironori Usuki
Greater amberjack ( Seriola dumerili ) is distributed in tropical and temperate waters worldwide and is an important aquaculture fish. We carried out de novo sequencing of the greater amberjack genome to construct a reference genome sequence to identify single nucleotide polymorphisms (SNPs) for breeding amberjack by marker-assisted or gene-assisted selection as well as to identify functional genes for biological traits. We obtained 200 times coverage and constructed a high-quality genome assembly using next generation sequencing technology...
2018: International Journal of Genomics
https://www.readbyqxmd.com/read/29785354/geographical-variation-in-colour-of-female-threespine-stickleback-gasterosteus-aculeatus
#16
Connor M French, Travis Ingram, Daniel I Bolnick
The ecological multifunctionality of colour often results in multiple selective pressures operating on a single trait. Most research on colour evolution focuses on males because they are the most conspicuous sex in most species. This bias can limit inferences about the ecological drivers of colour evolution. For example, little is known about population divergence in colour of female threespine stickleback ( Gasterosteus aculeatus ), which is among the most intensively-studied model vertebrates in evolution, ecology, and behaviour...
2018: PeerJ
https://www.readbyqxmd.com/read/29785201/speed-breeding-for-multiple-quantitative-traits-in-durum-wheat
#17
Samir Alahmad, Eric Dinglasan, Kung Ming Leung, Adnan Riaz, Nora Derbal, Kai P Voss-Fels, Jason A Able, Filippo M Bassi, Jack Christopher, Lee T Hickey
Background: Plant breeding requires numerous generations to be cycled and evaluated before an improved cultivar is released. This lengthy process is required to introduce and test multiple traits of interest. However, a technology for rapid generation advance named 'speed breeding' was successfully deployed in bread wheat ( Triticum aestivum L.) to achieve six generations per year while imposing phenotypic selection for foliar disease resistance and grain dormancy. Here, for the first time the deployment of this methodology is presented in durum wheat ( Triticum durum Desf...
2018: Plant Methods
https://www.readbyqxmd.com/read/29785152/association-of-midline-discrepancy-with-tempromandibular-joint-disorder-a-systematic-review
#18
REVIEW
Sandhya Jain, Neetu Sharma, Pallav Patni, Deshraj Jain
Aim: The aim is to evaluate the association between midline discrepancies and tempromandibular disorders (TMDs). Methods: Literature search was performed by using various search engines to include human studies in English. TMDs include a wide variety of signs and symptoms such as pain in and around TMJ, jaw muscles, clicking and locking of jaws, pain during mandibular movement and restricted mandibular movements. The etiology is multifactorial, including one or several of the following factors like severe malocclusions (increased overjet, retroclination of incisors, cross bite, CR CO discrepancies etc), stress and psychological factors, structural abnormalities as possible etiology...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29785043/effect-of-plant-density-boron-nutrition-and-growth-regulation-on-seed-mass-emergence-and-offspring-growth-plasticity-in-cotton
#19
Ali Zohaib, Tahira Tabassum, Abdul Jabbar, Shakeel Ahmad Anjum, Tasawer Abbas, Azhar Mehmood, Sohail Irshad, Muhammad Kashif, Mohsin Nawaz, Naila Farooq, Irfan Rasool Nasir, Tassadduq Rasool, Mubashar Nadeem, Riaz Ahmad
Seed nutrients reserves have direct relationship with seed functional traits and influence offspring performance. Effects of plant density, foliage boron (B) nutrition and mepiquat chloride (MC) growth regulation on seed nutrients reserves, seed mass and production, and emergence and offspring growth traits of cotton were studied in two years field experiment. Seed nutrients reserves and seed mass were decreased at higher maternal plant density relative to lower plant density with concomitant decrease in emergence and offspring seedling growth...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29785011/a-genome-wide-cross-trait-analysis-from-uk-biobank-highlights-the-shared-genetic-architecture-of-asthma-and-allergic-diseases
#20
Zhaozhong Zhu, Phil H Lee, Mark D Chaffin, Wonil Chung, Po-Ru Loh, Quan Lu, David C Christiani, Liming Liang
Clinical and epidemiological data suggest that asthma and allergic diseases are associated and may share a common genetic etiology. We analyzed genome-wide SNP data for asthma and allergic diseases in 33,593 cases and 76,768 controls of European ancestry from UK Biobank. Two publicly available independent genome-wide association studies were used for replication. We have found a strong genome-wide genetic correlation between asthma and allergic diseases (rg  = 0.75, P = 6.84 × 10-62 ). Cross-trait analysis identified 38 genome-wide significant loci, including 7 novel shared loci...
May 21, 2018: Nature Genetics
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