Articles
Improving drought resistance in strawberry by biotechnology
Article number
1454_34
Pages
243 – 250
Language
English
Abstract
Drought is one of the most critical abiotic stressors affecting plant growth and productivity.
Plant hormones like indole-3-acetic acids (IAA) are vital for various growth and developmental processes.
The ROOTY (RTY) mutant in Arabidopsis thaliana leads to elevated auxin levels and increased root and shoot growth.
It is unclear whether the rty gene improves stress tolerance in strawberry plants.
The introduction of the rty gene into strawberry plants led to significant increases in IAA and ABA levels, indicating that rty expression promotes their accumulation.
Histological studies showed enhanced adventitious root and trichome formation, contributing to early root development.
During the drought trials, control plants exhibited severe leaf wilting and water loss, while transgenic plants displayed greater resilience, with minimal leaf curling or wilting.
Transgenic plants had higher ABA concentrations during drought, improved water use efficiency, and reduced water loss.
These findings suggest a novel role for rty in the ABA-mediated drought response.
The transgenic plants utilize hormone-related genes to promote water use efficiency and reduce water loss rate to enhance plant drought resistance.
Plant hormones like indole-3-acetic acids (IAA) are vital for various growth and developmental processes.
The ROOTY (RTY) mutant in Arabidopsis thaliana leads to elevated auxin levels and increased root and shoot growth.
It is unclear whether the rty gene improves stress tolerance in strawberry plants.
The introduction of the rty gene into strawberry plants led to significant increases in IAA and ABA levels, indicating that rty expression promotes their accumulation.
Histological studies showed enhanced adventitious root and trichome formation, contributing to early root development.
During the drought trials, control plants exhibited severe leaf wilting and water loss, while transgenic plants displayed greater resilience, with minimal leaf curling or wilting.
Transgenic plants had higher ABA concentrations during drought, improved water use efficiency, and reduced water loss.
These findings suggest a novel role for rty in the ABA-mediated drought response.
The transgenic plants utilize hormone-related genes to promote water use efficiency and reduce water loss rate to enhance plant drought resistance.
Authors
Hua Wang, Maofu Li, Pei Sun, Yanhui Kang, Xiangyi Sun, Jie Luo, Xin Liu, Min Jin, Wanmei Jin
Keywords
strawberry, biotechnology, rty, drought resistance
Groups involved
- Division Plant Genetic Resources, Breeding and Biotechnology
- Working Group Genetic Transformation and Gene Editing
- Working Group Horticultural Biotechnology and Breeding
- Division Ornamental Plants
- Division Vegetables, Roots and Tubers
- Division Temperate Tree Fruits
- Division Vine and Berry Fruits
- Division Horticulture for Development
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