Identification of a putative antifreeze protein gene that is highly expressed during preparation for winter in the sunn pest, Eurygaster maura

被引:11
|
作者
Guz, Nurper [1 ]
Toprak, Umut [1 ]
Dageri, Asli [1 ]
Gurkan, M. Oktay [1 ]
Denlinger, David L. [2 ,3 ]
机构
[1] Ankara Univ, Dept Plant Protect, Fac Agr, TR-06100 Ankara, Turkey
[2] Ohio State Univ, Dept Entomol, Columbus, OH 43210 USA
[3] Ohio State Univ, Dept Ecol Evolut & Organismal Biol, Columbus, OH 43210 USA
基金
美国国家科学基金会;
关键词
Sunn pest; Antifreeze protein; Cold tolerance; Diapause; NUCLEATING ACTIVE BACTERIA; DENDROIDES CANADENSIS ROLE; PYROCHROID BEETLE LARVAE; ICE NUCLEATORS; SUPERCOOLED STATE; DIAMONDBACK MOTH; COLD-HARDINESS; DIAPAUSE; MAINTENANCE; TERMINATION;
D O I
10.1016/j.jinsphys.2014.06.021
中图分类号
Q96 [昆虫学];
学科分类号
摘要
A cDNA library generated from the fat body of field-collected, diapausing adults of the sunn pest, Eurygaster maura revealed the presence of a transcript that encodes a protein that shares the distinct physiochemical and structural features of an insect antifreeze protein. The transcript, which is most abundant in the midgut, accumulates in adults as they leave the fields in late summer and migrate to surrounding mountainous areas to overwinter. Transcript abundance again declines when adults return to the fields the following spring. This winter pattern of abundance suggests that this protein may be critical for winter survival in the cold regions where the bug enters its obligatory diapause. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:30 / 35
页数:6
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