Expansion of presoldier cuticle contributes to head elongation during soldier differentiation in termites.
Expansion of presoldier cuticle contributes to head elongation during soldier differentiation in termites.
复制标题
白蚁士兵分化过程中，前士兵角质层的扩张有助于头部伸长。
DOI：
10.1007/s00114-015-1322-3
复制
发表时间：
2015
期刊：
影响因子：
--
通讯作者：
Miura T
中科院分区：
文献类型：
--
作者：
Sugime Y;Ogawa K;Watanabe D;Shimoji H;Koshikawa S;Miura T
在白蚁中，士兵种姓具有适合于殖民地防御的形态特征，尽管有一些例外。士兵分化通过两个换羽通过preoldier阶段与戏剧性的形态发生。虽然一些形态学的修改是已知的发生在presoldier换羽，生长和形态发生似乎继续甚至换羽后。本研究，使用湿木白蚁Hodotermopsis sjostedti，进行了形态学和组织学的发育过程中的presoldier阶段，人工诱导的保幼激素类似物的应用程序。五个身体参数的测量表明，头长显着增加，在14天期间后的preoldier换羽，而它没有增加随后的固定换羽（pseudergate换羽作为对照）。组织学观察还表明，角质层的发育发挥了作用，在presoldier头部的伸长，表明柔软和灵活的presoldier角质层有助于士兵的形态发生在白蚁。
In termites, the soldier caste possesses morphological features suitable for colony defence, despite some exceptions. Soldiers are differentiated via two moultings through a presoldier stage with dramatic morphogenesis. While a number of morphological modifications are known to occur during the presoldier moult, growth and morphogenesis seem to continue even after the moult. The present study, using the damp-wood termiteHodotermopsis sjostedti, carried out morphological and histological investigations on the developmental processes during the presoldier stage that is artificially induced by the application of a juvenile hormone analogue. Measurements of five body parameters indicated that head length significantly increased during the 14-day period after the presoldier moult, while it did not increase subsequently to the stationary moult (pseudergate moult as control). Histological observations also showed that the cuticular development played a role in the presoldier head elongation, suggesting that the soft and flexible presoldier cuticle contributed to the soldier morphogenesis in termites.