کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2169313 1092936 2008 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Rapid thermal adaptation during field temperature variations in Drosophila melanogaster
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم کشاورزی و بیولوژیک (عمومی)
پیش نمایش صفحه اول مقاله
Rapid thermal adaptation during field temperature variations in Drosophila melanogaster
چکیده انگلیسی

Under natural conditions, the fruit fly (Drosophila melanogaster) is constantly exposed to variations in temperature and light. Laboratory investigations have demonstrated that D. melanogaster and other insects adapt quickly to temperature variations, but only few studies have investigated this ability under natural temperature variations. Here we placed laboratory raised female D. melanogaster in field cages and exposed them to natural variations in light and temperature over a 2 day period (temperature range: 12–25 °C). During this period we sampled flies every 6 h and measured their ability to survive heat and cold shock. There was a significant positive correlation between field temperature and heat shock survival and a significant negative correlation between field temperature and cold shock survival indicating that D. melanogaster are constantly adapting to their surrounding environment. The results also suggest that heat and cold resistance are obtained at a cost as these two traits were negatively correlated.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cryobiology - Volume 56, Issue 2, April 2008, Pages 159–162
نویسندگان
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