已收录 273093 条政策
 政策提纲
  • 暂无提纲
The maternal and zygotic control of development by cinnamon, a new mutant in Drosophila melanogaster☆
[摘要] AgeneticanalysisoftheX-linkedmutantcinnamon(cin)inDrosophilamelanogasterdemonstratesthatthislocuscontrolsaprocessthatisessentialforzygotesurvival.Survivalofazygoteisshowntobeensuredbyeitherthematernalexpressionofthecin+alleleorbythepresenceofacin+alleleinthezygoticgenome.Thecinlocusisalsoshowntoaffectpteridinepigmentmetabolism.Thepresenceofacin+alleleineitherthemotherorzygoteisrequisitefornormalzygoticeyepigmentation.Itisshownthatcinflieslackxanthinedehydrogenase,anenzymeinvolvedinpteridinemetabolism,andaccumulatetheenzyme'spteridineandpurinesubstrates.Therelationshipbetweentheeffectsofcinonviabilityandxanthinedehydrogenaseactivityisdiscussed.
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 生物科学(综合)
[关键词]  [时效性] 
   浏览次数:2      统一登录查看全文      激活码登录查看全文