Response of F. arundinacea seed germination to temperatures, water potentials, and priming treatments using hydro- and thermal-time models

Mamedi, Arash; Salehi, Parvin; Divargar, Fatemeh

doi:10.1007/s12298-022-01229-w

Cited by 5 publications

(1 citation statement)

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“…The length of stress memory, and, thus, the effect of priming, likely depends on multiple parameters, including the time of priming, as well as the type, time, and severity of stress [24,25]. It is not clear whether the effect of priming diminishes in a linear or non-linear manner.…”

Section: General Stress Response: Primingmentioning

confidence: 99%

Role of Epigenetic Factors in Response to Stress and Establishment of Somatic Memory of Stress Exposure in Plants

Kovalchuk

2023

Plants

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All species are well adapted to their environment. Stress causes a magnitude of biochemical and molecular responses in plants, leading to physiological or pathological changes. The response to various stresses is genetically predetermined, but is also controlled on the epigenetic level. Most plants are adapted to their environments through generations of exposure to all elements. Many plant species have the capacity to acclimate or adapt to certain stresses using the mechanism of priming. In most cases, priming is a somatic response allowing plants to deal with the same or similar stress more efficiently, with fewer resources diverted from growth and development. Priming likely relies on multiple mechanisms, but the differential expression of non-coding RNAs, changes in DNA methylation, histone modifications, and nucleosome repositioning play a crucial role. Specifically, we emphasize the role of BRM/CHR17, BRU1, FGT1, HFSA2, and H2A.Z proteins as positive regulators, and CAF-1, MOM1, DDM1, and SGS3 as potential negative regulators of somatic stress memory. In this review, we will discuss the role of epigenetic factors in response to stress, priming, and the somatic memory of stress exposures.

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Section: General Stress Response: Primingmentioning

confidence: 99%