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鳜早期发育阶段骨骼肌纤维的增生与肥大生长
引用本文:朱琼,赵金良,苌建菊,Jeerawat THAMMARATSUNTORN,钱叶洲,吴超,钱德.鳜早期发育阶段骨骼肌纤维的增生与肥大生长[J].动物学杂志,2011,46(6):96-102.
作者姓名:朱琼  赵金良  苌建菊  Jeerawat THAMMARATSUNTORN  钱叶洲  吴超  钱德
作者单位:1. 上海海洋大学农业部淡水水产种质资源重点实验室 上海201306
2. 安徽省池州市特种水产研究所 池州247100
基金项目:上海市科委重点基础项目(No.09JC1406900),上海市重点学科建设项目(No.Y1101)
摘    要:骨骼肌是鱼体的主要组成部分,也是衡量鱼体生长发育的重要指标.为了解鳜(Siniperca chuatsi)早期发育阶段骨骼肌纤维的生长发育特征,通过制作孵化后1 ~41日龄个体骨骼肌背右侧第一肌节石蜡切片,利用图像分析软件统计该肌节中肌纤维的数目和面积,分析了鳜骨骼肌纤维的增生和肥大生长特征.结果表明,鳜早期发育阶段骨...

关 键 词:  骨骼肌纤维  增生生长  肥大生长  贡献率
收稿时间:2011/5/24 0:00:00
修稿时间:9/7/2011 12:00:00 AM

Hyperplastic and Hypertrophic Growth of Skeletal Muscle Fibers of Mandarin Fish (Siniperca chuatsi) at Early Developmental Stage
ZHU Qiong,ZHAO Jin-Liang,CHANG Jian-Ju,Jeerawat THAMMARATSUNTORN,QIAN Ye-Zhou,WU Chao and QIAN De.Hyperplastic and Hypertrophic Growth of Skeletal Muscle Fibers of Mandarin Fish (Siniperca chuatsi) at Early Developmental Stage[J].Chinese Journal of Zoology,2011,46(6):96-102.
Authors:ZHU Qiong  ZHAO Jin-Liang  CHANG Jian-Ju  Jeerawat THAMMARATSUNTORN  QIAN Ye-Zhou  WU Chao and QIAN De
Institution:Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306;Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306;Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306;Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306;Chizhou Institute of Special Aquaculture, Chizhou 247100, China;Chizhou Institute of Special Aquaculture, Chizhou 247100, China;Chizhou Institute of Special Aquaculture, Chizhou 247100, China
Abstract:Skeletal muscle is the main composition to body weight in fish,which provides an important indicator for somatic growth.To fully understand skeletal muscle development of mandarin fish(Siniperca chuatsi) at the early stage,paraffin sections of the first dorsal myomere of skeletal muscle at 1-41 days after hatching were carried out;fiber numbers and total fibre area were measured to describe hyperplastic and hypertrophic growth of skeletal muscle.The results showed that skeletal muscle growth of mandarin fish included increasing of both fibre numbers(hyperplasia) and fibre area(hypertrophy) at the early development stage,the total fiber numbers in the right first dorsal myomere increased from 40 to 520,and the total fiber area increased from 805.30 μm2 to 186 422.77 μm2.During the 1-9 days after hatching,the relative increased fiber numbers decreased and the relative increased fibre area raised slowly,the contribution rate of hyperplastic growth dropped dramatically from 60.53% to 8.80%,as opposite to hypertrophic growth.At the period of 9-15 days after hatching,the relative increased fiber numbers raised and relative increased area was on a steady phase,the contribution rate of hyperplastic growth increased from 8.80% to 20.26%,while hypertrophic growth contribution ratio decreased slightly.At the 15-41 days after hatching,both the relative increased fiber numbers and area were on the rise,the contribution rate of hyperplastic growth decreased to a steady phase and hypertrophic growth(from 79.76% to 87.41%) gradually became the dominant contributor of skeletal muscle growth.
Keywords:Siniperca chuatsi  Skeletal muscle fiber  Hyperplasia  Hypertrophy  Contribution rate
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