COLD-INDUCED GLYCEROL ACCUMULATION BY OSTRINIA-NUBILALIS LARVAE IS DEVELOPMENTALLY REGULATED
COLD-INDUCED GLYCEROL ACCUMULATION BY OSTRINIA-NUBILALIS LARVAE IS DEVELOPMENTALLY REGULATED
复制标题
DOI:
10.1016/0022-1910(84)90084-2
复制
发表时间:
1984-01-01
影响因子:
2.2
通讯作者:
YIN, CM
中科院分区:
文献类型:
--
作者:
NORDIN, JH;ZHENG, C;YIN, CM
O. nubilalis larvae reared under both nondiapause and diapause-inducing conditions were chilled at 5.degree. C for various periods and their hemolymph glycerol concentrations were measured enzymatically. The ability of 5th (final) instars to accumulate glycerol was dependent upon cold stress but not the diapause state. This response was independent of any cold-induced release of cephalic or thoracic hormones. The capacity of O. nubilalis larvae to express cold-induced glycerol accumulation was found to require ecdysis from the 4th-5th instar. Eggs as well as 2nd, 3rd and 4th instars were completely incompetent. These results indicate that, at the biochemical level, a specific developmental program or sequence is required for O. nubilalis to demonstrate this response to cold stress.