Reserve utilization in seeds of Arabidopsis thaliana germinating in microgravity

被引：12
作者：
Briarty, LG
Maher, EP
机构：
[1] Univ Nottingham, Sch Biol Sci, Plant Sci Div, Nottingham NG7 2RD, England
[2] Open Univ Scotland, Edinburgh EH3 7QJ, Midlothian, Scotland
来源：
INTERNATIONAL JOURNAL OF PLANT SCIENCES | 2004年 / 165卷 / 04期
关键词：
Arabidopsis; lipid; spaceflight; microgravity; seed reserves; germination; IML-1;
D O I：
10.1086/386379
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Seed reserve lipid utilization in Arabidopsis thaliana (L.) Heynh., ecotype Landsberg erecta, is delayed when germination takes place in microgravity; the cotyledon symplast lipid volume fraction is less than 7% in controls, whereas in microgravity samples over 15% of the symplast volume is lipid. Growth rate in the root is reduced in microgravity. These effects are interpreted as probably being the result of localized anoxia in the absence of atmospheric convection and mixing in the sealed growth chambers used.
引用
收藏
页码：545 / 551
页数：7
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