CHARACTERIZATION OF THE ARREST IN ANTHER DEVELOPMENT ASSOCIATED WITH GIBBERELLIN DEFICIENCY OF THE GIB-1 MUTANT OF TOMATO

被引:81
作者
JACOBSEN, SE
OLSZEWSKI, NE
机构
[1] UNIV MINNESOTA,DEPT PLANT BIOL,ST PAUL,MN 55108
[2] UNIV MINNESOTA,INST PLANT MOLEC GENET,ST PAUL,MN 55108
关键词
D O I
10.1104/pp.97.1.409
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The role of gibberellins in flower bud development was investigated by studying the gib-1 mutant of tomato, Lycopersicon esculentum. This gibberellin-deficient mutant initiates flower buds, but floral development is not completed unless the mutant is treated with gibberellin. Treatment with other plant growth regulators does not induce normal flower development. Development of gib-1 flower buds, as measured by progress toward anthesis, ceases at a bud length of 2.5 millimeters; however, increase in size of the bud continues. Buds between 2.5 and 3.7 millimeters are developmentally arrested but still are capable of developing normally after treatment with gibberellic acid. Anthers of these developmentally arrested buds contain pollen mother cells that are in the G1 phase of premeiotic interphase. Following treatment of developmentally arrested buds with gibberellic acid, premeiotic DNA synthesis and callose accumulation in pollen mother cells are evident by 48 hours posttreatment, and within 66 hours, prophase I of meiosis- and meiosis-related changes in tapetum development are observable.
引用
收藏
页码:409 / 414
页数:6
相关论文
共 25 条
[1]   COMPARISON OF ENT-KAURENE SYNTHETASE A-ACTIVITY AND B-ACTIVITY IN CELL-FREE-EXTRACTS FROM YOUNG TOMATO FRUITS OF WILD-TYPE AND GIB-1, GIB-2, AND GIB-3 TOMATO PLANTS [J].
BENSEN, RJ ;
ZEEVAART, JAD .
JOURNAL OF PLANT GROWTH REGULATION, 1990, 9 (04) :237-242
[2]  
Bhandari NN., 1984, EMBRYOLOGY ANGIOSPER, P53
[3]   ENDOMITOSIS IN THE TAPETUM OF TOMATO [J].
BROWN, SW .
AMERICAN JOURNAL OF BOTANY, 1949, 36 (10) :703-716
[5]  
D'Amato F., 1984, EMBRYOLOGY ANGIOSPER, P519, DOI [DOI 10.1007/978-3-642-69302-1_11, 10.1007/978-3-642-69302-1_11]
[6]  
EAMES AJ, 1961, MORPHOLOGY ANGIOSPER, P136
[7]   PHENOTYPIC RESTORATION OF FERTILITY IN A MALE-STERILE MUTANT BY TREATMENT WITH GIBBERELLIC ACID [J].
KASEMBE, JNR .
NATURE, 1967, 215 (5101) :668-&
[8]  
KINET JM, 1987, PLANT PHYSL LIFE SCI, V6, P121
[9]  
KINET JM, 1985, PHYSL FLOWERING, V3, P124
[10]  
Koornneef M., 1981, Induced mutations -- a tool in plant research. Proceedings of an international symposium. Vienna, 9-13 March 1981, P227