نتایج جستجو برای: high temperature and desiccation stress

تعداد نتایج: 17206740  

Journal: :The Journal of experimental biology 2013
Jyoti Chahal Sudhir Kumar Kataria Ravi Parkash

Drosophila ananassae has successfully invaded the cold and dry montane localities of the Western Himalayas in recent years. The ability of this desiccation- and cold-sensitive tropical species to evolve in response to seasonal changes in montane localities is largely unknown. Here, we investigated how this sensitive species adapt to seasonally varying environmental conditions that are lethal to...

2015
A Holzinger B Becker

The origin of phytohormones has been a puzzling question for decades; however, with the availability of large transcriptomic and genomic datasets of the early branching streptophytic green alga Klebsormidium this question can be addressed from a fresh perspective. Klebsormidium has recently been examined extensively for physiological and structural reactions to desiccation or cold temperatures,...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Selim Terhzaz Nicholas M Teets Pablo Cabrero Louise Henderson Michael G Ritchie Ronald J Nachman Julian A T Dow David L Denlinger Shireen-A Davies

The success of insects is linked to their impressive tolerance to environmental stress, but little is known about how such responses are mediated by the neuroendocrine system. Here we show that the capability (capa) neuropeptide gene is a desiccation- and cold stress-responsive gene in diverse dipteran species. Using targeted in vivo gene silencing, physiological manipulations, stress-tolerance...

Journal: :iranian journal of applied animal science 2013
a.h. ganaie r.s. ghasura n.a. mir n.a. bumla g. sankar

the variation in climatic variables like temperature, humidity and radiations were recognized as the potential hazards in the growth and production of all domestic livestock species. thermal environment is a major factor that can negatively affect both production and reproduction in dairy animals, especially in animals of high genetic merit. among the stressors, heat stress has been of major co...

2016
Clarissa M. L. Fraser Frank Seebacher Justin Lathlean Ross A. Coleman

A key challenge for ecologists is to quantify, explain and predict the ecology and behaviour of animals from knowledge of their basic physiology. Compared to our knowledge of many other types of distribution and behaviour, and how these are linked to individual function, we have a poor level of understanding of the causal basis for orientation behaviours. Most explanations for patterns of anima...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

the present research was conducted to explore the effect of employing two language teaching approaches, i.e. schema-based instruction (sbi) and translation-based instruction (tbi), on vocabulary knowledge, structure and reading comprehension ability of forty one female students learning english in grade one senior high school in rivash, kuhsorkh, iran. while sbi focuses on schemata, i.e. words ...

2015
Xiaoshuang Li Daoyuan Zhang Haiyan Li Bei Gao Honglan Yang Yuanming Zhang Andrew J. Wood

Syntrichia caninervis is the dominant bryophyte of the biological soil crusts found in the Gurbantunggut desert. The extreme desert environment is characterized by prolonged drought, temperature extremes, high radiation and frequent cycles of hydration and dehydration. S. caninervis is an ideal organism for the identification and characterization of genes related to abiotic stress tolerance. Re...

2011
S. Velineni G. P. Brahmaprakash

Inoculation of phosphate-solubilizing microorganisms along with rock phosphate is known to enhance the available P from soil. The success of such solubilization is largely dependent on the ability of the inoculant strain to survive under adverse environmental conditions. In this context, liquid inoculants are gaining importance and are becoming popular with longer shelf-life. In the present inv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده فیزیک 1390

in this thesis, barium ferrite nano particles were prepared by sol-gel method. their structural and magnetic properties of samples have been investigated using thermo gravimetric analysis (tg-dta), x-ray powder diffractometer (xrd), fourier transform infrared (ftir), scanning electron microscopy (sem), field emission scanning electron microscopy (fesem), ac susceptometer, vibrating sample magne...

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