نتایج جستجو برای: embryonic diapause
تعداد نتایج: 82098 فیلتر نتایج به سال:
Environmental cues transduced by an endocrine network converge on Caenorhabditis elegans nuclear receptor DAF-12 to mediate arrest at dauer diapause or continuous larval development. In adults, DAF-12 selects long-lived or short-lived modes. How these organismal choices are molecularly specified is unknown. Here we show that coregulator DIN-1 and DAF-12 physically and genetically interact to in...
Blister (oil) beetles, family Meloidae, are distributed throughout the world except for New Zealand, Antarctica and most Polynesian islands. They are characterized by their complex biology including hypermetamorphosis and diapause. The present review discusses the embryonic development of several meloid species belonging to various genera. Concerning the postembryonic development, this work rev...
The killifish Nothobranchius furzeri is the shortest-lived vertebrate that can be bred in the laboratory. Its rapid growth, early sexual maturation, fast aging, and arrested embryonic development (diapause) make it an attractive model organism in biomedical research. Here, we report a draft sequence of its genome that allowed us to uncover an intra-species Y chromosome polymorphism representing...
Ovaries were obtained from tammar wallabies at various stages of the reproductive cycle to examine the occurrence of oestrogens in corpora lutea, and the synthesis and metabolism of steroids in the corpus luteum and ovarian cortical and interstitial tissues. Corpora lutea contained oestradiol-17 beta and oestrone during embryonic diapause and at all stages of pregnancy studied after blastocyst ...
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