Biotic and Abiotic Stresses in Plants
By A. Gull, A. Lone, Noor ul Islam Wani. Abiotic and Biotic Stress in Plants, 2019
371 citations recorded by the source corpus.
Plants are subjected to a wide range of environmental stresses which reduces and limits the productivity of agricultural crops. Two types of environmental stresses are encountered to plants which can be categorized as (1) Abiotic stress and (2) Biotic stress. The abiotic stress causes the loss of major crop plants worldwide and includes radiation, salinity, floods, drought, extremes in temperature, heavy metals, etc. On the other hand, attacks by various pathogens such as fungi, bacteria, oomycetes, nematodes and herbivores are included in biotic stresses. As plants are sessile in nature, they have no choice to escape from these environmental cues. Plants have developed various mechanisms in order to overcome these threats of biotic and abiotic stresses. They sense the external stress environment, get stimulated and then generate appropriate cellular responses. They do this by stimuli received from the sensors located on the cell surface or cytoplasm and transferred to the transcriptional machinery situated in the nucleus, with the help of various signal transduction pathways. This leads to differential transcriptional changes making the plant tolerant against the stress. The signaling pathways act as a connecting link and play an important role between sensing the stress environment and generating an appropriate biochemical and physiological response.
Subfields: Molecular Biology, Plant Science
View Paper: https://www.semanticscholar.org/paper/6cc175ae7925c78d9f579a72ea8dbb0396c14209
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Citations in the corpus
- Consequences and Mitigation Strategies of Abiotic Stresses in Wheat (Triticum aestivum L.) under the Changing Climate (2021, background): “However, drought incidence at the mid-stage of growth causes reduced dry matter production, effective tillers, and grains per plant [17].”
- Arbuscular mycorrhizal symbiosis: plant growth improvement and induction of resistance under stressful conditions (2021, background): “A change in these conditions causes stress (Gull et al. 2019).”