Mitigating abiotic stress: microbiome engineering for improving agricultural production and environmental sustainability

Phour, Manisha; Sindhu, S. S.

doi:10.1007/s00425-022-03997-x

Cited by 43 publications

(13 citation statements)

References 425 publications

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“…When compared to the control group, high melatonin concentrations at scotophases increased stomata density and facilitated stomatal apertures opening in test groups. In plants, drought is one of the abiotic stressors that hinders growth/development and limits global crop productivity (Phour and Sindhu 2022;Wahab et al 2022). Stomatal closure is a typical plant adaptation response to water deficit.…”

Section: Resultsmentioning

confidence: 99%

Melatonin administration decrypts the inferential determinants of idiosyncratic foliar nastic movements

Babu

Bargunam

Roy

et al. 2022

Preprint

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Plant nastic movements follow unique plant behavioural patterns that synchronize with external cues. Because the foliar nastic motions of Portulaca species are solely circadian, it would be fascinating to explore whether and how melatonin governs these movements. Analyzing morphological and anatomical traits in accordance with stomatal behaviour offers visual data regarding the plant species’ gnosophysiology and ecology. Morphometric and anatomical features provide clues and even prove the function of pleiotropic external stimuli. The current study seeks to understand how exogenous melatonin affects the foliar nastic movements in Portulaca oleracea. According to the findings, melatonin functioned as an intracellular hydrodynamic controller by navigating idioblast, crystal densities, and stomatal behaviour. Thus this hormone can be one of the auxiliary internal regulators of turgor pressure, thereby assisting P.oleracea’s characteristic foliar nastic movement that is circadian. The timepoint study at specific zeitgebers indicated that abiotic variables alter the endogenous melatonin concentration of P.oleracea. The idioblast and crystal torques and their angular momentum must be investigated further to calculate the hydraulic forces at work in the leaf lamina. This could decrypt melatonin’s pleiotropic action and the underlying mechanism of foliar nastic motions of other plant species.

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Section: Resultsmentioning

confidence: 99%

Melatonin administration decrypts the inferential determinants of idiosyncratic foliar nastic movements

Babu

Bargunam

Roy

et al. 2022

Preprint

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“…Unfortunately, no research on the cognition of early indicators of water stress or nutritional inadequacies were encountered. Other abiotic factors that have a detrimental effect on crop productivity include soil characteristics such as acidity, alkalinity, and salinity [ 51 , 52 ], as well as variations in light intensity [ 53 ]. Furthermore, our planet is undergoing a significant climatic transition, with temperature as a key indicator.…”

Section: Discussionmentioning

confidence: 99%

Application of computer vision in assessing crop abiotic stress: A systematic review

Orka,

Toushique,

Uddin

et al. 2023

PLoS ONE

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Background Abiotic stressors impair crop yields and growth potential. Despite recent developments, no comprehensive literature review on crop abiotic stress assessment employing deep learning exists. Unlike conventional approaches, deep learning-based computer vision techniques can be employed in farming to offer a non-evasive and practical alternative. Methods We conducted a systematic review using the revised Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement to assemble the articles on the specified topic. We confined our scope to deep learning-related journal articles that focused on classifying crop abiotic stresses. To understand the current state, we evaluated articles published in the preceding ten years, beginning in 2012 and ending on December 18, 2022. Results After the screening, risk of bias, and certainty assessment using the PRISMA checklist, our systematic search yielded 14 publications. We presented the selected papers through in-depth discussion and analysis, highlighting current trends. Conclusion Even though research on the domain is scarce, we encountered 11 abiotic stressors across 7 crops. Pre-trained networks dominate the field, yet many architectures remain unexplored. We found several research gaps that future efforts may fill.

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“…The mechanisms of plant–bacterial communication are still poorly understood, but this knowledge is crucial for the further engineering of microbiomes with particular features [ 43 , 44 ]. This kind of host-mediated microbiome engineering was described for the soil microbiome of Arabidopsis, when plants selected microbes that would help to change the leaf biomass and flowering time [ 45 ], and may develop seeds before drought, which would cause plant disease or death.…”

Section: Microbiome Engineeringmentioning

confidence: 99%

Drought Tolerance of Legumes: Physiology and the Role of the Microbiome

Petrushin

Vasilev

Markova

2023

CIMB

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Water scarcity and global warming make drought-tolerant plant species more in-demand than ever. The most drastic damage exerted by drought occurs during the critical growth stages of seed development and reproduction. In the course of their evolution, plants form a variety of drought-tolerance mechanisms, including recruiting beneficial microorganisms. Legumes (one of the three largest groups of higher plants) have unique features and the potential to adapt to abiotic stress. The available literature discusses the genetic (breeding) and physiological aspects of drought tolerance in legumes, neglecting the role of the microbiome. Our review aims to fill this gap: starting with the physiological mechanisms of legume drought adaptation, we describe the symbiotic relationship of the plant host with the microbial community and its role in facing drought. We consider two types of studies related to microbiomes in low-water conditions: comparisons and microbiome engineering (modulation). The first type of research includes diversity shifts and the isolation of microorganisms from the various plant niches to which they belong. The second type focuses on manipulating the plant holobiont through microbiome engineering—a promising biotech strategy to improve the yield and stress-resistance of legumes.

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Mitigating abiotic stress: microbiome engineering for improving agricultural production and environmental sustainability

Cited by 43 publications

References 425 publications

Melatonin administration decrypts the inferential determinants of idiosyncratic foliar nastic movements

Melatonin administration decrypts the inferential determinants of idiosyncratic foliar nastic movements

Application of computer vision in assessing crop abiotic stress: A systematic review

Drought Tolerance of Legumes: Physiology and the Role of the Microbiome

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