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卤虫胚胎出膜前发育过程中,分离细胞核内核糖核酸合成对干燥的选择性抗性。

Selective resistance to desiccation of nuclear ribonucleic acid synthesis in isolated nuclei of Artemia salina embryos during pre-emergence development.

作者信息

Chaffoy D D, Kondo M

出版信息

Biochem J. 1976 Sep 15;158(3):639-42. doi: 10.1042/bj1580639.

Abstract

The developing gastrula embryos of Artemia salina are resistant to a complete redesiccation during a period of pre-emergence development. Isolated nuclei from these dehydrated embryos could retain a transcriptional activity in vitro comparable with that of non-desiccated controls. On the other hand, redesiccation of both prenauplii and nauplii completely destroys their viability as well as the nuclear transcriptional activity. However, those gastrula embryos that did not develop in a first incubation period could remain viable and develop with a considerable time-lag after a subsequent second incubation.

摘要

卤虫发育中的原肠胚在出膜前发育阶段能抵抗完全脱水。从这些脱水胚胎中分离出的细胞核在体外可保持与未脱水对照相当的转录活性。另一方面,无节幼体和成体无节幼体的再次脱水会完全破坏它们的活力以及核转录活性。然而,那些在第一次孵育期未发育的原肠胚在随后的第二次孵育后仍可存活并发育,但会有相当长的时间延迟。

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引用本文的文献

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本文引用的文献

5
Lactate dehydrogenase activity and anaerobic metabolism during embryonic development in Artemia salina.
Comp Biochem Physiol. 1969 Oct 15;31(2):297-307. doi: 10.1016/0010-406x(69)91654-5.
8
Nuclear localization of diguanosine polyphosphates in Artemia embryos.
Arch Biochem Biophys. 1971 Apr;143(2):548-52. doi: 10.1016/0003-9861(71)90239-6.

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