|本期目录/Table of Contents|

[1]陈豆豆,杨飞,蔡凤香,等.葡萄糖对水稻幼苗根系生长和生长素组织细胞分布的影响[J].江苏农业科学,2016,44(02):101-104.
 Chen Doudou,et al.Effects of glucose on seedling root system growth and auxin histiocytic distribution in rice[J].Jiangsu Agricultural Sciences,2016,44(02):101-104.
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葡萄糖对水稻幼苗根系生长
和生长素组织细胞分布的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年02期
页码:
101-104
栏目:
遗传育种与耕作栽培
出版日期:
2016-02-25

文章信息/Info

Title:
Effects of glucose on seedling root system growth and auxin histiocytic distribution in rice
作者:
陈豆豆 杨飞 蔡凤香 郑欣 张思韬 赵凤云
山东理工大学生命科学学院,山东淄博 255049
Author(s):
Chen Doudouet al
关键词:
葡萄糖生长素分布水稻根系
Keywords:
-
分类号:
S511.01
DOI:
-
文献标志码:
A
摘要:
利用DR5-GUS转基因水稻(Oryza sativa L.)中花 11 号为材料,分析了 0~5% 的葡萄糖和甘露醇处理 4~10 d 对水稻幼苗根系生长和生长素组织细胞分布的影响。结果表明,3%的葡萄糖有利于水稻根系生长,缺糖在幼苗生长后期显著抑制了根系的生长,5%葡萄糖显著延迟侧根的形成和生长。通过根尖横切片发现,生长素在组织细胞间的基本分布规律,即根冠和分生区细胞中生长素多且分布比较均匀,从伸长区到成熟区逐渐呈现梯度分布,成熟区中生长素主要分布在近表皮的皮层细胞和表皮细胞。不同浓度葡萄糖对生长素在根尖各区组织细胞间的梯度分布规律没有明显影响,但随葡萄糖浓度升高根尖各区生长素含量逐渐升高。相同浓度条件下,甘露醇明显抑制根系的生长并引起生长素的过量积累。试验结果表明,葡萄糖对水稻根系生长的调节与其信号作用有关而非渗透作用引起的,且这种信号作用与其调节生长素的合成和分布有一定关系。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-01-28
基金项目:山东省自然科学基金(编号:ZR2014DM010、ZR2015CL009);山东省淄博市科技发展计划(编号:111089、113106)。
作者简介:陈豆豆(1992—),男,湖南衡阳人,主要从事分子生物学研究。
通信作者:赵凤云,博士,教授,主要从事分子生物学研究。E-mail:zfy1226@126.com。
更新日期/Last Update: 2016-02-25