PAID ACCESS | Published on : 27-Feb-2025 | Pages: 23-32 | Doi : 10.37446/edibook242025/23-32
Extreme temperatures, both high and low, pose significant challenges to organisms, impacting their physiological processes, growth, and survival. This explores the detrimental effects of temperature extremes and the adaptive mechanisms employed by organisms to mitigate these stresses. High temperatures can disrupt cellular homeostasis, leading to protein denaturation, oxidative stress, and impaired metabolic functions. Organisms respond to heat stress through various strategies, including heat shock proteins, antioxidant systems, and altered gene expression. These mechanisms help maintain protein stability, neutralize reactive oxygen species, and regulate metabolic pathways. Low temperatures can slow down metabolic processes, alter membrane fluidity, and damage cellular structures. Organisms adapt to cold stress by producing antifreeze proteins, increasing membrane fluidity, and altering gene expression to promote cold tolerance. These adaptations enable organisms to survive and function in suboptimal temperature conditions. Understanding the effects of temperature extremes and the adaptive mechanisms employed by organisms is crucial for tackling the difficulties brought on by climate change. By studying these processes, we can develop strategies to protect vulnerable species and improve agricultural productivity in the face of increasing temperature variability.
High temperature, HSP’s, Adaptations, Control practices, ROS
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