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Updated: May 2, 2026

The Green Monster Process for the Generation of Yeast Strains Carrying Multiple Gene Deletions

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Published on: December 15, 2012

The stay-green trait.

Howard Thomas¹, Helen Ougham²

¹IBERS, Edward Llwyd Building, Aberystwyth University, Ceredigion SY23 3FG, UK hot@aber.ac.uk.

Journal of Experimental Botany

|March 7, 2014

Summary

This summary is machine-generated.

Stay-green is a plant trait that delays leaf aging, improving crop yields and stress tolerance. Understanding this trait is crucial for developing climate-resilient crops.

Keywords:

Carbon QTL chlorophyll hormone leaf nitrogen protein senescence stress transcription factor yield.

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Area of Science:

Plant Biology
Agricultural Science
Genetics

Background:

Stay-green refers to delayed foliar senescence in plants.
Two types exist: cosmetic (chlorophyll breakdown defect) and functional (delayed senescence phase).
Functional stay-green impacts carbon capture and nitrogen mobilization in crop canopies.

Purpose of the Study:

To explore the genetic and molecular basis of the stay-green trait.
To understand its role in crop yield, stress tolerance, and domestication.
To assess its relevance for future crop development in changing climates.

Main Methods:

Analysis of quantitative trait loci (QTL) studies.
Investigation of stay-green variants and associated gene families (e.g., WRKY, NAC).
Examination of hormonal regulation (cytokinins, ethylene) and signaling pathways.

Main Results:

Functional stay-green is linked to improved crop stress tolerance and cereal domestication.
Mutations in senescence-associated transcription factors cause the stay-green phenotype.
Hormone metabolism and signaling pathways are key regulators.

Conclusions:

Stay-green is a valuable trait for enhancing crop yield and stress resilience.
It plays a role in coordinating seasonal transitions in plants.
Understanding stay-green is vital for designing crops adapted to future environmental conditions.