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Functional traits

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https://www.readbyqxmd.com/read/28097785/down-regulation-of-bnda1-whose-gene-locus-is-associated-with-the-seeds-weight-improves-the-seeds-weight-and-organ-size-in-brassica-napus
#1
Jie-Li Wang, Min-Qiang Tang, Sheng Chen, Xiang-Feng Zheng, Hui-Xian Mo, Sheng-Jun Li, Zheng Wang, Ke-Ming Zhu, Li-Na Ding, Sheng-Yi Liu, Yun-Hai Li, Xiao-Li Tan
Brassica napus L. is an important oil crop worldwide, and is the main raw material for biofuel. Seed weight and seed size are the main contributors to seed yield. DA1 (DA means big in Chinese) is an ubiquitin receptor and negatively regulates seed size. Down-regulation of AtDA1 in Arabidopsis leads to larger seeds and organs by increasing cell proliferation in integuments. In this study, BnDA1was down-regulated in B. napus by over expressed of AtDA1(R358K) , which is a functional deficiency of DA1 with an arginine-to-lysine mutation at the 358(th) amino acid...
January 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28097426/functional-diversity-increases-ecological-stability-in-a-grazed-grassland
#2
Lauren M Hallett, Claudia Stein, Katharine N Suding
Understanding the factors governing ecological stability in variable environments is a central focus of ecology. Functional diversity can stabilize ecosystem function over time if one group of species compensates for an environmentally driven decline in another. Although intuitively appealing, evidence for this pattern is mixed. We hypothesized that diverse functional responses to rainfall will increase the stability of vegetation cover and biomass across rainfall conditions, but that this effect depends on land-use legacies that maintain functional diversity...
January 17, 2017: Oecologia
https://www.readbyqxmd.com/read/28096780/molecular-breeding-of-a-novel-orange-brown-tomato-fruit-with-enhanced-beta-carotene-and-chlorophyll-accumulation
#3
Ranjith Kumar Manoharan, Hee-Jeong Jung, Indeok Hwang, Namhee Jeong, Kang Hee Kho, Mi-Young Chung, Ill-Sup Nou
BACKGROUND: Tomatoes provide a significant dietary source of the carotenoids, lycopene and β-carotene. During ripening, carotenoid accumulation determines the fruit colors while chlorophyll degradation. These traits have been, and continue to be, a significant focus for plant breeding efforts. Previous work has found strong evidence for a relationship between CYC-B gene expression and the orange color of fleshy fruit. Other work has identified a point mutation in SGR that impedes chlorophyll degradation and causes brown flesh color to be retained in some tomato varieties...
2017: Hereditas
https://www.readbyqxmd.com/read/28096672/a-biopsychological-review-of-gambling-disorder
#4
REVIEW
Gabriel C Quintero
The present review is an overview of previous experimental work on biopsychological aspects of gambling disorder. It includes the topics 1) gambling disorder from the neuroimaging and electroencephalography (EEG) perspective, 2) cognitive, executive functioning, and neuropsychological aspects of gambling disorder, and 3) rodent models of gambling disorder. Penalties and losses in gambling can differ in terms of brain activity. Also, specific patterns of brain activity, brain anatomical traits, EEG responses, and cognitive and executive performance can discriminate pathological gamblers from nonpathological gamblers...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28096391/network-based-integration-of-systems-genetics-data-reveals-pathways-associated-with-lignocellulosic-biomass-accumulation-and-processing
#5
Eshchar Mizrachi, Lieven Verbeke, Nanette Christie, Ana C Fierro, Shawn D Mansfield, Mark F Davis, Erica Gjersing, Gerald A Tuskan, Marc Van Montagu, Yves Van de Peer, Kathleen Marchal, Alexander A Myburg
As a consequence of their remarkable adaptability, fast growth, and superior wood properties, eucalypt tree plantations have emerged as key renewable feedstocks (over 20 million ha globally) for the production of pulp, paper, bioenergy, and other lignocellulosic products. However, most biomass properties such as growth, wood density, and wood chemistry are complex traits that are hard to improve in long-lived perennials. Systems genetics, a process of harnessing multiple levels of component trait information (e...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095877/deciphering-composition-and-function-of-the-root-microbiome-of-a-legume-plant
#6
Kyle Hartman, Marcel Ga van der Heijden, Valexia Roussely-Provent, Jean-Claude Walser, Klaus Schlaeppi
BACKGROUND: Diverse assemblages of microbes colonize plant roots and collectively function as a microbiome. Earlier work has characterized the root microbiomes of numerous plant species, but little information is available for legumes despite their key role in numerous ecosystems including agricultural systems. Legumes form a root nodule symbiosis with nitrogen-fixing Rhizobia bacteria and thereby account for large, natural nitrogen inputs into soils. Here, we describe the root bacteria microbiome of the legume Trifolium pratense combining culture-dependent and independent methods...
January 17, 2017: Microbiome
https://www.readbyqxmd.com/read/28095459/association-of-body-mass-index-with-dna-methylation-and-gene-expression-in-blood-cells-and-relations-to-cardiometabolic-disease-a-mendelian-randomization-approach
#7
Michael M Mendelson, Riccardo E Marioni, Roby Joehanes, Chunyu Liu, Åsa K Hedman, Stella Aslibekyan, Ellen W Demerath, Weihua Guan, Degui Zhi, Chen Yao, Tianxiao Huan, Christine Willinger, Brian Chen, Paul Courchesne, Michael Multhaup, Marguerite R Irvin, Ariella Cohain, Eric E Schadt, Megan L Grove, Jan Bressler, Kari North, Johan Sundström, Stefan Gustafsson, Sonia Shah, Allan F McRae, Sarah E Harris, Jude Gibson, Paul Redmond, Janie Corley, Lee Murphy, John M Starr, Erica Kleinbrink, Leonard Lipovich, Peter M Visscher, Naomi R Wray, Ronald M Krauss, Daniele Fallin, Andrew Feinberg, Devin M Absher, Myriam Fornage, James S Pankow, Lars Lind, Caroline Fox, Erik Ingelsson, Donna K Arnett, Eric Boerwinkle, Liming Liang, Daniel Levy, Ian J Deary
BACKGROUND: The link between DNA methylation, obesity, and adiposity-related diseases in the general population remains uncertain. METHODS AND FINDINGS: We conducted an association study of body mass index (BMI) and differential methylation for over 400,000 CpGs assayed by microarray in whole-blood-derived DNA from 3,743 participants in the Framingham Heart Study and the Lothian Birth Cohorts, with independent replication in three external cohorts of 4,055 participants...
January 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28095336/psychiatric-symptoms-mediate-the-effects-of-neurological-soft-signs-on-functional-outcomes-in-patients-with-chronic-schizophrenia-a-longitudinal-path-analytic-study
#8
Ted C T Fong, Rainbow T H Ho, Adrian H Y Wan, Friendly S W Au-Yeung
Neurological soft signs (NSS) in motor coordination and sequencing occur in schizophrenia patients and are an intrinsic sign of the underlying neural dysfunctions. The present longitudinal study explored the relationships among NSS, psychiatric symptoms, and functional outcomes in 151 Chinese patients with chronic schizophrenia across a 6-month period. The participants completed neurological assessments at baseline (Time 1), psychiatric interviews at Time 1 and 3-month follow-up (Time 2), and self-report measures on daily functioning at 6-month follow-up (Time 3)...
January 9, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28095091/factors-informing-fear-of-reinjury-after-anterior-cruciate-ligament-reconstruction
#9
Cheryl A Ross, Amanda Clifford, Quinette A Louw
OBJECTIVE: Fear of reinjury is associated with cessation of sport after anterior cruciate ligament (ACL) reconstruction despite normal postoperative knee function. The objective of this study is to describe factors informing athletes' experience of fear of reinjury post ACL reconstruction, in athletes who cited fear as the sole reason for not returning to their pre-injury level of sport. DESIGN: Mixed-methods study design of qualitative and a preliminary quantitative component...
January 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28094809/genome-wide-identification-evolution-and-expression-analysis-of-ring-finger-protein-genes-in-brassica-rapa
#10
Intikhab Alam, Yan-Qing Yang, Yong Wang, Mei-Lan Zhu, Heng-Bo Wang, Boulos Chalhoub, Yun-Hai Lu
More and more RING finger genes were found to be implicated in various important biological processes. In the present study, a total of 731 RING domains in 715 predicted proteins were identified in Brassica rapa genome (AA, 2n = 20), which were further divided into eight types: RING-H2 (371), RING-HCa (215), RING-HCb (47), RING-v (44), RING-C2 (38), RING-D (10), RING-S/T (5) and RING-G (1). The 715 RING finger proteins were further classified into 51 groups according to the presence of additional domains...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094004/the-vertebrae-and-ribs-of-homo-naledi
#11
Scott A Williams, Daniel García-Martínez, Markus Bastir, Marc R Meyer, Shahed Nalla, John Hawks, Peter Schmid, Steven E Churchill, Lee R Berger
Hominin evolution featured shifts from a trunk shape suitable for climbing and housing a large gut to a trunk adapted to bipedalism and higher quality diets. Our knowledge regarding the tempo, mode, and context in which these derived traits evolved has been limited, based largely on a small-bodied Australopithecus partial skeleton (A.L. 288-1; "Lucy") and a juvenile Homo erectus skeleton (KNM-WT 15000; "Turkana Boy"). Two recent discoveries, of a large-bodied Australopithecus afarensis (KSD-VP-1/1) and two Australopithecus sediba partial skeletons (MH1 and MH2), have added to our understanding of thorax evolution; however, little is known about thorax morphology in early Homo...
January 13, 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28093568/gwas-meta-analysis-reveals-novel-loci-and-genetic-correlates-for-general-cognitive-function-a-report-from-the-cogent-consortium
#12
J W Trampush, M L Z Yang, J Yu, E Knowles, G Davies, D C Liewald, J M Starr, S Djurovic, I Melle, K Sundet, A Christoforou, I Reinvang, P DeRosse, A J Lundervold, V M Steen, T Espeseth, K Räikkönen, E Widen, A Palotie, J G Eriksson, I Giegling, B Konte, P Roussos, S Giakoumaki, K E Burdick, A Payton, W Ollier, M Horan, O Chiba-Falek, D K Attix, A C Need, E T Cirulli, A N Voineskos, N C Stefanis, D Avramopoulos, A Hatzimanolis, D E Arking, N Smyrnis, R M Bilder, N A Freimer, T D Cannon, E London, R A Poldrack, F W Sabb, E Congdon, E D Conley, M A Scult, D Dickinson, R E Straub, G Donohoe, D Morris, A Corvin, M Gill, A R Hariri, D R Weinberger, N Pendleton, P Bitsios, D Rujescu, J Lahti, S Le Hellard, M C Keller, O A Andreassen, I J Deary, D C Glahn, A K Malhotra, T Lencz
The complex nature of human cognition has resulted in cognitive genomics lagging behind many other fields in terms of gene discovery using genome-wide association study (GWAS) methods. In an attempt to overcome these barriers, the current study utilized GWAS meta-analysis to examine the association of common genetic variation (~8M single-nucleotide polymorphisms (SNP) with minor allele frequency ⩾1%) to general cognitive function in a sample of 35 298 healthy individuals of European ancestry across 24 cohorts in the Cognitive Genomics Consortium (COGENT)...
January 17, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28093358/mapping-the-functional-connectome-traits-of-levels-of-consciousness
#13
Enrico Amico, Daniele Marinazzo, Carol Di Perri, Lizette Heine, Jitka Annen, Charlotte Martial, Mario Dzemidzic, Murielle Kirsch, Vincent Bonhomme, Steven Laureys, Joaquín Goñi
Examining task-free functional connectivity (FC) in the human brain offers insights on how spontaneous integration and segregation of information relate to human cognition, and how this organization may be altered in different conditions, and neurological disorders. This is particularly relevant for patients in disorders of consciousness (DOC) following severe acquired brain damage and coma, one of the most devastating conditions in modern medical care. We present a novel data-driven methodology, connICA, which implements Independent Component Analysis (ICA) for the extraction of robust independent FC patterns (FC-traits) from a set of individual functional connectomes, without imposing any a priori data stratification into groups...
January 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/28093083/genetic-analysis-of-teat-number-in-pigs-reveals-some-developmental-pathways-independent-of-vertebra-number-and-several-loci-which-only-affect-a-specific-side
#14
Gary A Rohrer, Dan J Nonneman
BACKGROUND: Number of functional teats is an important trait in commercial swine production. As litter size increases, the number of teats must also increase to supply nutrition to all piglets. Therefore, a genome-wide association analysis was conducted to identify genomic regions that affect this trait in a commercial swine population. Genotypic data from the Illumina Porcine SNP60v1 BeadChip were available for 2951 animals with total teat number (TTN) records. A subset of these animals (n = 1828) had number of teats on each side recorded...
January 4, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/28092055/differentiating-emotional-processing-and-attention-in-psychopathy-with-functional-neuroimaging
#15
Nathaniel E Anderson, Vaughn R Steele, J Michael Maurer, Vikram Rao, Michael R Koenigs, Jean Decety, David S Kosson, Vince D Calhoun, Kent A Kiehl
Individuals with psychopathy are often characterized by emotional processing deficits, and recent research has examined the specific contexts and cognitive mechanisms that underlie these abnormalities. Some evidence suggests that abnormal features of attention are fundamental to emotional deficits in persons with psychopathy, but few studies have demonstrated the neural underpinnings responsible for such effects. Here, we use functional neuroimaging to examine attention-emotion interactions among incarcerated individuals (n = 120) evaluated for psychopathic traits using the Hare Psychopathy Checklist-Revised (PCL-R)...
January 16, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28090692/a-high-resolution-reference-genetic-map-positioning-8-8k-genes-for-the-conifer-white-spruce-structural-genomics-implications-and-correspondence-with-physical-distance
#16
Nathalie Pavy, Manuel Lamothe, Betty Pelgas, France Gagnon, Inanç Birol, Joerg Bohlmann, John Mackay, Nathalie Isabel, Jean Bousquet
Over the last decade, extensive genetic and genomic resources have been developed for the conifer white spruce (Picea glauca, Pinaceae), which has one of the largest plant genomes (20 Gbp). Draft genome sequences of white spruce and other conifers have recently been produced, but dense genetic maps are needed to comprehend genome macrostructure, delineate regions involved in quantitative traits, complement functional genomic investigations, and assist the assembly of fragmented genomic sequences. A greatly expanded P...
January 15, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28090374/neurophysiological-measures-and-alcohol-use-disorder-aud-hypothesizing-links-between-clinical-severity-index-and-molecular-neurobiological-patterns
#17
Mario Vitali, Carmen Napolitano, Marlene Oscar Berman, Simona Flamminii Minuto, Gemma Battagliese, Maria Luisa Attilia, Eric R Braverman, Marina Romeo, Kenneth Blum, Mauro Ceccanti
BACKGROUND: In 1987, Cloninger proposed a clinical description and classification of different personality traits genetically defined and independent from each other. Moreover, he elaborated a specific test the TCI to investigate these traits/states. The study of craving in Alcohol Use Disorder (AUD) assumed a greater significance, since ever more data seems to suggest a direct correlation between high levels of craving and a higher risk of relapse in alcoholics. Thus, our study aim is to explore the possible correlations among TCI linked molecular neurobiological pattern (s), craving and alcohol addiction severity measures in a sample of Italian alcoholics...
April 2016: Journal of Addiction Research & Therapy
https://www.readbyqxmd.com/read/28089252/practical-approaches-for-whole-genome-sequence-analysis-of-heart-and-blood-related-traits
#18
Alanna C Morrison, Zhuoyi Huang, Bing Yu, Ginger Metcalf, Xiaoming Liu, Christie Ballantyne, Josef Coresh, Fuli Yu, Donna Muzny, Elena Feofanova, Navin Rustagi, Richard Gibbs, Eric Boerwinkle
Whole-genome sequencing (WGS) allows for a comprehensive view of the sequence of the human genome. We present and apply integrated methodologic steps for interrogating WGS data to characterize the genetic architecture of 10 heart- and blood-related traits in a sample of 1,860 African Americans. In order to evaluate the contribution of regulatory and non-protein coding regions of the genome, we conducted aggregate tests of rare variation across the entire genomic landscape using a sliding window, complemented by an annotation-based assessment of the genome using predefined regulatory elements and within the first intron of all genes...
January 5, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28088792/impact-of-nudt15-polymorphisms-on-thiopurines-induced-myelotoxicity-and-thiopurines-tolerance-dose
#19
Dandan Yin, Xuyang Xia, Junlong Zhang, Shouyue Zhang, Fei Liao, Ge Zhang, Yan Zhang, Qianqian Hou, Xue Yang, Hong Wang, Zhigui Ma, Heyao Wang, Yiping Zhu, Wei Zhang, Yuelan Wang, Bo Liu, Lanlan Wang, Heng Xu, Yang Shu
Thiopurines are widely used as anticancer and immunosuppressive agents. However, life-threatening myelotoxicity has been noticed and largely explained by genetic variations, including NUDT15 polymorphisms (e.g., rs116855232). In this study, we conduct a meta-analysis to investigate the impact of rs116855232 on thiopurines-induced myelotoxicity susceptibility (1752 patients from 7 independent cohorts), as well as on thiopurines intolerance dose (2745 patients from 13 cohorts). Variant allele of rs116855232 contributes 7...
January 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088409/genome-wide-association-analysis-and-pathways-enrichment-for-lactation-persistency-in-canadian-holstein-cattle
#20
D N Do, N Bissonnette, P Lacasse, F Miglior, M Sargolzaei, X Zhao, E M Ibeagha-Awemu
Lactation persistency (LP), defined as the rate of declining milk yield after milk peak, is an economically important trait for dairy cattle. Improving LP is considered a good alternative method for increasing overall milk production because it does not cause the negative energy balance and other health issues that cows experience during peak milk production. However, little is known about the biology of LP. A genome-wide association study (GWAS) and pathway enrichment were used to explore the genetic mechanisms underlying LP...
January 11, 2017: Journal of Dairy Science
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