NDLI: Nitrate, abscisic acid and gibberellin interactions on the thermoinhibition of lettuce seed germination

Content Provider	Springer Nature Link
Author	Dong, Tingting Tong, Jianhua Xiao, Langtao Cheng, Hongyan Song, Songquan
Copyright Year	2011
Abstract	Germination of lettuce seeds has obvious thermoinhibition, but the mechanism for thermoinhibition of seed germination is poorly understood. Here, we investigated the interactions of nitrate, abscisic acid (ABA) and gibberellin on seed germination at high temperatures to understand further the mechanism for thermoinhibition of seed germination. Our results showed that lettuce (Lactuca sativa L. ‘Jianye Xianfeng No. 1’) seeds exhibited notable thermoinhibiton of germination at ≥17°C in darkness, and at ≥23°C in light, but the thermoinhibited seeds did not exhibit secondary dormancy. Thermoinhibition of seed germination at 23 or 25°C in light was notably decreased by 5 and 10 mM nitrate, and the stimulatory effects were markedly prevented by nitric oxide (NO) scavenger 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide. The sensitivity of seed germination to exogenous ABA increased with increasing temperature. Thermoinhibition of seed germination was markedly decreased by fluridone (an inhibitor of ABA biosynthesis) and GA3, and was increased by diniconazole (an inhibitor of the ABA-catabolizing enzyme ABA 8′-hydroxylase) and paclobutrazol (an inhibitor of GA biosynthetic pathway). The effect of fluridone in decreasing thermoinhibition of seed germination was obviously antagonized by paclobutrazol, and that of GA3 was notably added to by fluridone, and that of nitrate was antagonized by paclobutrazol, diniconazole and ABA and was added to by GA3 and fluridone. Our data show that thermoinhibition of lettuce seed germination is decreased by nitrate in a NO-dependent manner, which is antagonized by ABA, diniconazole and paclobutrazol and added by fluridone.
Starting Page	191
Ending Page	202
Page Count	12
File Format	PDF
ISSN	01676903
Journal	Plant Growth Regulation
Volume Number	66
Issue Number	2
e-ISSN	15735087
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-12-04
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Inhibitor of ABA and GA biosynthesis Lactuca sativa ‘Jianye Xianfeng No. 1’ Nitrate PTIO Phytohormone Thermoinhibition of seed germination Agriculture Plant Anatomy/Development Plant Sciences Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Abscisic acid in the thermoinhibition of lettuce seed germination and enhancement of its catabolism by gibberellin

Salt Stress Represses Soybean Seed Germination by Negatively Regulating GA Biosynthesis While Positively Mediating ABA Biosynthesis

Hormonal and temperature regulation of seed dormancy and germination in Leymus chinensis

Ethylene and lettuce seed germination

A genetic locus and gene expression patterns associated with the priming effect on lettuce seed germination at elevated temperatures

Structure–activity relationships of N- and S-analogs of the seed germination inhibitor (3,4,5-trimethylfuran-2(5H)-one) for mode of action elucidation

A genetic locus and gene expression patterns associated with the priming effect on lettuce seed germination at elevated temperatures

ABA and GA signaling pathways interact and regulate seed germination and seedling development under salt stress

Suppression of α-l-arabinofuranosidase in the endosperm and atypical germination of lettuce seeds induced by sodium dichloroisocyanurate

Nitrate, abscisic acid and gibberellin interactions on the thermoinhibition of lettuce seed germination

Similar Documents

Abscisic acid in the thermoinhibition of lettuce seed germination and enhancement of its catabolism by gibberellin

Salt Stress Represses Soybean Seed Germination by Negatively Regulating GA Biosynthesis While Positively Mediating ABA Biosynthesis

Hormonal and temperature regulation of seed dormancy and germination in Leymus chinensis

Ethylene and lettuce seed germination

A genetic locus and gene expression patterns associated with the priming effect on lettuce seed germination at elevated temperatures

Structure–activity relationships of N- and S-analogs of the seed germination inhibitor (3,4,5-trimethylfuran-2(5H)-one) for mode of action elucidation

A genetic locus and gene expression patterns associated with the priming effect on lettuce seed germination at elevated temperatures

ABA and GA signaling pathways interact and regulate seed germination and seedling development under salt stress

Suppression of α-l-arabinofuranosidase in the endosperm and atypical germination of lettuce seeds induced by sodium dichloroisocyanurate

Nitrate, abscisic acid and gibberellin interactions on the thermoinhibition of lettuce seed germination