Skip Navigation

This Article
Right arrow FREE Full Text (PDF) Freely available
Right arrow E-letters: Submit a response
Right arrow Alert me when this article is cited
Right arrow Alert me when E-letters are posted
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in ISI Web of Science
Right arrow Alert me to new issues of the journal
Right arrow Add to My Personal Archive
Right arrow Download to citation manager
Right arrow Search for citing articles in:
ISI Web of Science (8)
Right arrowRequest Permissions
Right arrow Disclaimer
Google Scholar
Right arrow Articles by Singh, S.
Right arrow Articles by Sawhney, V.
Right arrow Search for Related Content
PubMed
Right arrow Articles by Singh, S.
Right arrow Articles by Sawhney, V.
Agricola
Right arrow Articles by Singh, S.
Right arrow Articles by Sawhney, V.
Social Bookmarking
Add to CiteULike   Add to Connotea   Add to Del.icio.us  
What's this?

Journal of Experimental Botany, Vol 49, 199-203, Copyright © 1998 by Oxford University Press

ARTICLES

Abscisic acid in a male sterile tomato mutant and its regulation by low temperature

S Singh and V Sawhney
Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK 27N 5E2, Canada; Present address: Department of Botany, University of British Columbia, Vancouver, BC V6T 1Z4, Canada; Corresponding author e-mail: sawhney@admin.usak.ca

The role of abscisic acid in male sterility in the stamenless21 (sl-2) mutant of tomato (Lycopersicon esculentum) was investigated. Vegetative and floral parts (except pistil) of sl-2 contain greater amount of abscisic acid (ABA) than the normal wild type. The maximum difference in ABA content between sl-2 and normal tissues was in stamens, and the increase in ABA level in sl-2 stamens coincided with first signs of abnormalities in the anthers. Low temperatures restore male fertility in sl-2 and there was a concomitant drop in ABA level in sl-2 leaves and stamens. These observations, along with our earlier reports, suggest that male sterility in sl-2 is a manifestation of hormonal imbalance involving high ABA, and that low temperature regulation of male sterility is mediated through reduction in ABA content.Key words: Abscisic acid, Lycopersicon esculentum, male sterility, temperature, tomato.
Add to CiteULike CiteULike   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us    What's this?


This article has been cited by other articles:


Home page
 Plant Cell PhysiolHome page
S. N. Oliver, E. S. Dennis, and R. Dolferus
ABA Regulates Apoplastic Sugar Transport and is a Potential Signal for Cold-Induced Pollen Sterility in Rice
Plant Cell Physiol., September 1, 2007; 48(9): 1319 - 1330.
[Abstract] [Full Text] [PDF]

Home page
 J Exp BotHome page
M. Fellner, R. Zhang, R. P. Pharis, and V. K. Sawhney
Reduced de-etiolation of hypocotyl growth in a tomato mutant is associated with hypersensitivity to, and high endogenous levels of, abscisic acid
J. Exp. Bot., April 15, 2001; 52(357): 725 - 738.
[Abstract] [Full Text] [PDF]


Disclaimer: Please note that abstracts for content published before 1996 were created through digital scanning and may therefore not exactly replicate the text of the original print issues. All efforts have been made to ensure accuracy, but the Publisher will not be held responsible for any remaining inaccuracies. If you require any further clarification, please contact our Customer Services Department.