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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:

第42卷

期数:

2014年03期

页码:

171-173

栏目:

水产养殖·特种种养

出版日期:

2014-03-25

文章信息/Info

Title:

Changes of nucleic acid and total protein and their relationship with growth of Paralichthys olivaceus during metamorphosis

作者:

佟雪红¹; 2;  雎燕²;  路瑛²;  邵青臣²;  俞峰²;  瞿晓苏²

1.江苏省滩涂生物资源与环境保护重点建设实验室，江苏盐城 224002； 2.盐城师范学院生命科学与技术学院，江苏盐城 224002

Author(s):

Tong Xuehong; et al

关键词:

牙鲆; 变态; 核酸; RNA/DNA; Protein/DNA

Keywords:

-

分类号:

S917.4

DOI:

-

文献标志码:

A

摘要:

研究牙鲆变态期间核酸、总蛋白及其比值的变化，并确定其与生长的关系。结果显示，DNA浓度在22~32日龄保持相对稳定，在32~34日龄急剧升高，在36日龄达到最高。RNA浓度在24日龄升至峰值，在32日龄降至最低，之后呈先升高再下降的趋势。总蛋白浓度在22~29日龄呈升高趋势，之后先降低再上升。DNA、RNA含量及总蛋白含量在变态期间均保持先升高后降低再升高的趋势，在32~36日龄快速增长。RNA/DNA比值在22~24日龄呈上升趋势，然后下降直至32日龄，之后先上升后下降，并在36日龄达到最低值(2.27)。Protein/DNA比值在29日龄达到最高值(61.97)，之后先下降后上升。RNA、DNA浓度及总蛋白浓度与体长和体重有明显的线性关系。结果表明，牙鲆变态高峰期前的生长以细胞增大为主，变态后的生长以细胞增殖为主，RNA、DNA及其比值可以从微观细胞水平上指示仔稚鱼的生长。

Abstract:

-

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相似文献/References:

[1]马盛群,李爱顺,茆建强,等.温度对日本沼虾末期幼体变态发育的影响[J].江苏农业科学,2014,42(08):239.
　Ma Shengqun,et al.Effect of temperature on late metamorphosis of larva of freshwater shrimp，Macrobrachium nipponense (De Haan)[J].Jiangsu Agricultural Sciences,2014,42(03):239.

备注/Memo

备注/Memo:

收稿日期：2013-07-03
基金项目：江苏省滩涂生物资源与环境保护重点建设实验室开放课题(编号：JLCBE12003)；江苏省高校自然科学基础研究项目(编号：12KJB240001)；盐城师范学院大学生实践创新训练计划项目。
作者简介：佟雪红(1979—)，女，山东潍坊人，博士，讲师，主要从事海洋生物学研究。E-mail：txh113005@163.com。

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更新日期/Last Update: 2014-03-25