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南京农业大学农学院《Genome Biology》发表多倍体团队“Small RNAs mediate transgenerational inheritance of genome-wide trans-acting epialleles in maize”（图）
多倍体 遗传变异 植物育种
2022/3/23
杂交和回交是常用的动、植物育种手段。杂交引起的父母基因互作导致遗传和表观遗传变异，比如经典的副突变(paramutation）可以跨代遗传。但是，由表观遗传引起的跨代遗传的机理缺乏全基因组水平上的研究。2月9日，南京农业大学多倍体杂种优势研究团队在Genome Biology（IF=13.583）上发表了题为Small RNAs mediate transgenerational inherita...
Dr. Kelvin Droegemeier Named Acting National Science Foundation Director
Dr. Kelvin Droegemeier Acting National Science Foundation Director
2020/4/3
Dr. Kelvin Droegemeier, Director of the Office of Science and Technology Policy, has been named Acting Director of the National Science Foundation effective March 31, 2020.Droegemeier has previously s...
Acting Like a Muscle,Nano-Sized Device Lifts 165 Times its Own Weight（图）
acting like a muscle nano-sized device lifts 165 times own weight
2017/9/19
Imagine repeatedly lifting 165 times your weight without breaking a sweat – a feat normally reserved for heroes like Spider-Man.Rutgers University-New Brunswick engineers have discovered a simple, eco...
On Cryptographic Applications of Matrices Acting on Finite Commutative Groups and Rings
Symmetric Cryptography MDS Diffusion Layer Group
2016/1/26
In this paper, we investigate matrices acting on finite commutative groups and rings; in fact, we study modules on ring of matrices over Z_N and also modules over the ring (F_2^t,\oplus,\land); these ...
Defining the specificity of cotranslationally acting chaperones by systematic analysis of mRNAs associated with ribosome-nascent chain complexes.
cotranslationally acting chaperones systematic analysis mRNAs associated ribosome-nascent chain complexes
2015/12/11
Polypeptides exiting the ribosome must fold and assemble in the crowded environment of the cell. Chaperones and other protein homeostasis factors interact with newly translated polypeptides to facilit...
Local rigidity of discrete groups acting on complex hyperbolic space
complex hyperbolic space Local rigidity
2015/9/29
The superrigidity theorem of Margulis, see Zimmer [17], classifies finite dimen-sional representations of lattices in semi-simple Lie groups of real rank strictly
larger than 1. It is a fundamental ...
This paper is by three educators who
are Indigenous people with extensive
experience in Indigenous education.
They discuss the actions of school
leaders needed to address the limited
outcome...
Acute Impact of Inhaled Short Acting B-Agonists on 5 Km Running Performance
Anti-Doping WADA code asthma treatment athlete care
2015/5/22
Whilst there appears to be no ergogenic effect from inhaled salbutamol no study has investigated the impact of the acute inhalation of 1600 μg, the World Anti-Doping Agency (WADA) daily upper limit, o...
A Computational Fluid Dynamics Analysis of Hydrodynamic Force Acting on a Swimmer’S Hand in a Swimming Competition
Computational fluid dynamics swimming drag thrust thrust efficiency stroke analysis
2015/5/19
A stroke-analysis system based on a CFD (Computational Fluid Dynamics) simulation has been developed to evaluate the hydrodynamic forces acting on a swimmer’s hand. Using the present stroke-analysis s...
Acting Globally but Thinking Locally?The Enduring Influence of Local Communities on Organizations
Globalized Firms and Management Business and Community Relations Local Range
2015/5/13
We develop an institutionally oriented theory of how and why local communities continue to matter for organizations in a global age. Since globalization has taken center stage in both practitioner and...
Virtual Team Learning:Reflecting and Acting, Alone or With Others
Competency and Skills Learning Knowledge Acquisition Knowledge Use and Leverage Product Development Groups and Teams Behavior
2015/4/23
This paper examines virtual team learning in new product development situations. New product development activities manifest novelty, uncertainty and complexity, presenting an extreme need for learnin...
Barriers to Acting in Time on Energy and Strategies for Overcoming Them
Barriers Energy Strategies
2015/4/21
The five prior papers in this volume offer many excellent ideas on climate change,oil, transportation, and electricity policies, carbon capture and storage, and the generation of innovative energy sol...
Acting Globally but Thinking Locally? The Influence of Local Communities on Organizations
Geographic Location Local Range Globalization Organizational Change and Adaptation Business and Community Relations Power and Influence
2015/4/20
We develop an institutional theory of how local communities continue to matter for organizations, and why community factors are particularly important in a global age. Since globalization has taken ce...
Physical activity acting as a resource for social support among older adults in Brazil
PHYSICAL ACTIVITY AGING OLDER ADULTS SOCIAL SUPPORT
2013/10/3
As people age, their various social roles and relationships change. The aim of this study was to explore the impact of physical activity participation on social engagement among older adults living in...
Can the judo training improve the muscle-skeletal acting in older women with low bone mineral density?
Adapted physicalactivity Bone health Health care
2014/3/9
Osteoporosis is a bone disease that causes bonefragility with increased risks of fractures and negative consequences on humanmobility. The planned and monitored physical activity by professionals have...