↓ Skip to main content

ABA regulation of post-germination desiccation tolerance in wheat cultivars contrasting in drought tolerance

Overview of attention for article published in Anais da Academia Brasileira de Ciências, April 2018
Altmetric Badge

Mentioned by

twitter
1 tweeter

Citations

dimensions_citation
3 Dimensions

Readers on

mendeley
13 Mendeley
You are seeing a free-to-access but limited selection of the activity Altmetric has collected about this research output. Click here to find out more.
Title
ABA regulation of post-germination desiccation tolerance in wheat cultivars contrasting in drought tolerance
Published in
Anais da Academia Brasileira de Ciências, April 2018
DOI 10.1590/0001-3765201820170632
Pubmed ID
Authors

SATINDER KOUR, VIKRAMJIT K. ZHAWAR

Abstract

Post-germination desiccation tolerance (DT) was studied in two wheat cultivars. Effect of pretreatment of abscisic acid (ABA)/ osmotic/ salt/ heat stress was also studied. One day (d)-old seedlings of wheat cultivars PBW 644 (drought tolerant) and PBW 343 (drought susceptible) were exposed to ABA/stress treatment for next 1 d, desiccated for 4 d and subsequently rehydrated for 4 d. Biomass, protein, water, protein carbonyls (oxidative toxicity) and nitric oxide (NO) levels were measured in 2 d (treated), 6 d (desiccated), 10 d (rehydrated) seedlings. Vegetative reactive oxygen species (ROS)/ NO-pathways were studied under normal condition and ABA supply by supplying ROS/NO scavengers. Desiccation caused water loss and increased oxidative toxicity. PBW 644 showed very low level of toxicity but higher loss of water under desiccation. ABA/ stress pretreatment further reduced water level under desiccation and reduced biomass upon rehydration in PBW 644 only. On the other hand, PBW 343 did not show higher decrease of water but showed high toxicity under desiccation where ABA/stress pretreatment improved this response by increasing biomass upon rehydration. This indicated that PBW 644 used metabolic arrest under desiccation for survival while PBW 343 used growth promotive mode. ABA/ROS/NO-pathways were operational in both cultivars.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 13 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 13 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 2 15%
Student > Master 2 15%
Researcher 2 15%
Student > Bachelor 1 8%
Lecturer 1 8%
Other 1 8%
Unknown 4 31%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 4 31%
Agricultural and Biological Sciences 3 23%
Chemical Engineering 2 15%
Unknown 4 31%