Eighty years of gene-for-gene relationship and its applications in identification and utilization of R genes

Kaur, Baljit; Bhatia, Dharminder; Mavi, G. S.

doi:10.1007/s12041-021-01300-7

Cited by 26 publications

(15 citation statements)

References 129 publications

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“…This is particularly a problem in modern agriculture, which is associated with intensification and monoculture that create the most conducive conditions for pathogen evolution [16,17]. Horizontal or partial resistance is governed by many genes which distribute over plant genomes and regulate many biological, biochemical, and ecological processes of cells [18]. The resistance is incomplete and often requires additional disease control approaches to ensure better harvest but is more durable compared to vertical resistance due to the minor and accumulative contribution of each gene to the resistant phenotypes [19].…”

Section: Approaches Of Plant Disease Controlmentioning

confidence: 99%

Biological Control of Plant Diseases: An Evolutionary and Eco-Economic Consideration

Amalin

et al. 2021

Pathogens

144

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Biological control is considered as a promising alternative to pesticide and plant resistance to manage plant diseases, but a better understanding of the interaction of its natural and societal functions is necessary for its endorsement. The introduction of biological control agents (BCAs) alters the interaction among plants, pathogens, and environments, leading to biological and physical cascades that influence pathogen fitness, plant health, and ecological function. These interrelationships generate a landscape of tradeoffs among natural and social functions of biological control, and a comprehensive evaluation of its benefits and costs across social and farmer perspectives is required to ensure the sustainable development and deployment of the approach. Consequently, there should be a shift of disease control philosophy from a single concept that only concerns crop productivity to a multifaceted concept concerning crop productivity, ecological function, social acceptability, and economical accessibility. To achieve these goals, attempts should make to develop “green” BCAs used dynamically and synthetically with other disease control approaches in an integrated disease management scheme, and evolutionary biologists should play an increasing role in formulating the strategies. Governments and the public should also play a role in the development and implementation of biological control strategies supporting positive externality.

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Section: Approaches Of Plant Disease Controlmentioning

confidence: 99%

Biological Control of Plant Diseases: An Evolutionary and Eco-Economic Consideration

Amalin

et al. 2021

Pathogens

144

View full text Add to dashboard Cite

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“…Hence, this arms race between the host and the pathogen continues, until one successfully jeopardises the other ( Figure 1 ). The above R–Avr interaction and the rapid development of genetic engineering technology have commissioned roles of plethora of resistance gene and utilized them in several crop improvement events [ 25 ]. Next-generation genome sequencing platforms enable the whole genome assembly of Celery ( Apium graveolens ), which demonstrated a significant number of NBS R genes within the genome [ 26 ].…”

Section: Plant Immunity and Immune Memorymentioning

confidence: 99%

Plant Responses to Biotic Stress: Old Memories Matter

Bhar

Chakraborty

Roy

2021

Plants

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Plants are fascinating organisms present in most ecosystems and a model system for studying different facets of ecological interactions on Earth. In the environment, plants constantly encounter a multitude of abiotic and biotic stresses. The zero-avoidance phenomena make them more resilient to such environmental odds. Plants combat biotic stress or pathogenic ingression through a complex orchestration of intracellular signalling cascades. The plant–microbe interaction primarily relies on acquired immune response due to the absence of any specialised immunogenic cells for adaptive immune response. The generation of immune memory is mainly carried out by T cells as part of the humoral immune response in animals. Recently, prodigious advancements in our understanding of epigenetic regulations in plants invoke the “plant memory” theory afresh. Current innovations in cutting-edge genomic tools have revealed stress-associated genomic alterations and strengthened the idea of transgenerational memory in plants. In plants, stress signalling events are transferred as genomic imprints in successive generations, even without any stress. Such immunogenic priming of plants against biotic stresses is crucial for their eco-evolutionary success. However, there is limited literature capturing the current knowledge of the transgenerational memory of plants boosting biotic stress responses. In this context, the present review focuses on the general concept of memory in plants, recent advancements in this field and comprehensive implications in biotic stress tolerance with future perspectives.

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“…Furthermore, the phytohormone signaling pathways are thought to be a cost-effective manner for plant to coordinate biotic stress responses with growth and survival [ 21 , 22 , 23 , 24 ]. In plants, the recognition of pathogen avirulent (Avr) proteins by the resistance (R) proteins is an effective defense mechanism against pathogen infection [ 25 , 26 , 27 , 28 ]. AtRPW8.1 and AtRPW8.2 genes were conferred a broad-spectrum resistance to Erysiphe spp.…”

Section: Introductionmentioning

confidence: 99%

Ectopic Expression of HbRPW8-a from Hevea brasiliensis Improves Arabidopsis thaliana Resistance to Powdery Mildew Fungi (Erysiphe cichoracearum UCSC1)

Liu

et al. 2022

IJMS

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The RPW8s (Resistance to Powdery Mildew 8) are atypical broad-spectrum resistance genes that provide resistance to the powdery mildew fungi. Powdery mildew of rubber tree is one of the serious fungal diseases that affect tree growth and latex production. However, the RPW8 homologs in rubber tree and their role of resistance to powdery mildew remain unclear. In this study, four RPW8 genes, HbRPW8-a, b, c, d, were identified in rubber tree, and phylogenetic analysis showed that HbRPW8-a was clustered with AtRPW8.1 and AtRPW8.2 of Arabidopsis. The HbRPW8-a protein was localized on the plasma membrane and its expression in rubber tree was significantly induced upon powdery mildew infection. Transient expression of HbRPW8-a in tobacco leaves induced plant immune responses, including the accumulation of reactive oxygen species and the deposition of callose in plant cells, which was similar to that induced by AtRPW8.2. Consistently, overexpression of HbRPW8-a in Arabidopsis thaliana enhanced plant resistance to Erysiphe cichoracearum UCSC1 and Pseudomonas syringae pv. tomato DC30000 (PstDC3000). Moreover, such HbRPW8-a mediated resistance to powdery mildew was in a salicylic acid (SA) dependent manner. Taken together, we demonstrated a new RPW8 member in rubber tree, HbRPW8-a, which could potentially contribute the resistance to powdery mildew.

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Eighty years of gene-for-gene relationship and its applications in identification and utilization of R genes

Cited by 26 publications

References 129 publications

Biological Control of Plant Diseases: An Evolutionary and Eco-Economic Consideration

Biological Control of Plant Diseases: An Evolutionary and Eco-Economic Consideration

Plant Responses to Biotic Stress: Old Memories Matter

Ectopic Expression of HbRPW8-a from Hevea brasiliensis Improves Arabidopsis thaliana Resistance to Powdery Mildew Fungi (Erysiphe cichoracearum UCSC1)

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