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Related Experiment Video

Updated: Jun 2, 2026

Measuring Gene Expression in Bombarded Barley Aleurone Layers with Increased Throughput

Measuring Gene Expression in Bombarded Barley Aleurone Layers with Increased Throughput

Published on: March 30, 2018

Spatially Resolved ABA Signalling Reveals Dual Role in Tomato Yield.

Fu-An Wen¹, Fu-Dong Mai¹, Ji-Bin Xiao¹

¹State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Stress Biology, School of Agriculture and Biotechnology, Shenzhen Campus of Sun Yat-Sen University, Sun Yat-Sen University, Shenzhen, China.

Plant Biotechnology Journal

|June 1, 2026

Summary

This summary is machine-generated.

Abscisic acid (ABA) signaling has two key roles in tomato yield: improving drought resilience and boosting reproductive success. Understanding these distinct modules helps enhance crop resilience to climate stress.

Keywords:

PYL receptor abscisic acid signalling reproduction stomata yield

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Last Updated: Jun 2, 2026

Measuring Gene Expression in Bombarded Barley Aleurone Layers with Increased Throughput

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Published on: March 30, 2018

Imaging Spatial Reorganization of a MAPK Signaling Pathway Using the Tobacco Transient Expression System

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Published on: March 20, 2016

Co-localization of Cell Lineage Markers and the Tomato Signal

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Published on: December 28, 2016

Area of Science:

Plant Biology
Hormone Signaling
Agricultural Science

Background:

Abscisic acid (ABA) is crucial for plant stress adaptation and development.
Its specific roles in crop yield are complex due to pleiotropic signaling.
Understanding ABA's functions is key for improving agricultural productivity.

Purpose of the Study:

To investigate the distinct physiological roles of ABA signaling in tomato yield.
To disentangle ABA's contribution to drought resilience and reproductive success.
To explore targeted strategies for enhancing crop yield under stress.

Main Methods:

Utilized a receptor-specific gain-of-function strategy in ABA-deficient tomato.
Activated ABA downstream signaling independently of endogenous hormone levels.
Analyzed physiological responses related to stomatal regulation, pollen viability, and anther development.

Main Results:

Identified two separable ABA-responsive modules influencing tomato yield.
One module enhances drought resilience via improved stomatal control.
Another module restores reproductive success by promoting pollen viability and anther development.

Conclusions:

ABA signaling coordinates water conservation with reproductive fitness through distinct modules.
These modules partially mitigate yield loss in ABA-deficient conditions.
Findings provide a framework for improving crop yield and resilience to climate stress.