نتایج جستجو برای: annual reproductive cycle

تعداد نتایج: 466005  

Choobineh K, Ghorbanian MT Paylakhi SH Salehnia M Zavareh S

Background: Rodents with short reproductive cycle length are the best model for investigation of physiology and molecular aspects of reproductive biology. This study aimed to establish a correlation between histological changes of uterus and ovaries with the vaginal smear. Materials and Methods: 6-8 weeks old virgin Female NMRI mice were submitted to the vaginal smear collection and observed us...

2009
Neena B. Schwartz Bradley Cooke Alan Diekman Linda Giudice Marcia L. Storch

* Presenting author underlined 9:00 AM T1 Identification of a unique integrator of the mitogenic effects of steroid hormone and growth factor pathways in the mammary gland and a potential oncogene of breast tumorigenesis, L. Anandan, Q. Li2, A. Kannan, J.P. Lydon, I.C. Bagchi, M.C. Bagchi, Department of Molecular & Integrative Physiology, Department of Veterinary Bioscience, University of Illin...

Journal: :Biology letters 2013
Nancy Ockendon Dave Leech James W Pearce-Higgins

Long-distance migrants may be particularly vulnerable to climate change on both wintering and breeding grounds. However, the relative importance of climatic variables at different stages of the annual cycle is poorly understood, even in well-studied Palaearctic migrant species. Using a national dataset spanning 46 years, we investigate the impact of wintering ground precipitation and breeding g...

Journal: :Science 2015
Nitin Phadnis EmilyClare P Baker Jacob C Cooper Kimberly A Frizzell Emily Hsieh Aida Flor A de la Cruz Jay Shendure Jacob O Kitzman Harmit S Malik

Speciation, the process by which new biological species arise, involves the evolution of reproductive barriers, such as hybrid sterility or inviability between populations. However, identifying hybrid incompatibility genes remains a key obstacle in understanding the molecular basis of reproductive isolation. We devised a genomic screen, which identified a cell cycle-regulation gene as the cause...

2005
Paul J. Bertics

for Distinguished Faculty Lecture, Dr. Paul Bertics 4 Abstracts for Oral Session I 6-8s for Oral Session I 6-8 Biosketch for Invited Speaker, Dr. Thomas Yeager 9 Abstract for Invited Speaker, Dr. Thomas Yeager 10for Invited Speaker, Dr. Thomas Yeager 10 Abstracts for Oral Session II 12-14s for Oral Session II 12-14 Biosketch for Keynote Speaker, Dr. Linda Giudice 15 Abstract for Keynote Speaker...

Journal: :The Journal of Clinical Endocrinology & Metabolism 1999

Journal: :The Biological Bulletin 1953

2007
Nathalie Pettorelli Sarah M. Durant

An understanding of the factors governing reproductive success has fundamental implications for population demography, conservation, selection and adaptation. Although a consistent positive correlation between lifetime reproductive success and longevity has been reported for many iteroparous organisms, few studies have explored how longevity influences annual individual performance. In this stu...

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