Main conclusion <p>This review highlights endophyte occurrence and diversity, mechanisms, signaling crosstalks, and innovative coating applications, positioning endophytes as eco-friendly tools bridging fundamental research and practical crop protection in horticultural crops.</p> Abstract <p>Endophytes are microorganisms that asymptomatically reside in plant tissues proving to be valuable partners in the realm of sustainable horticultural disease management. Their prevalence and diversity on horticultural crops indicate that there is a large pool of such microbial taxa with underused potential for promoting plant health. These endophytes use a variety of mechanisms in their fight against pathogens, including direct antagonism, niche and nutrient competition, and triggering of host defense mechanisms. Signaling crosstalk of the endophytes with the host plants can reprogram pathways like jasmonic acid, salicylic acid, and ethylene, leading to primed immunity and enhanced stress tolerance. The creation of enzymes (chitinase, glucanase) and bioactive metabolites is the main mechanism of pathogen growth suppression, while antimicrobial compounds and secondary metabolites are aimed at defense. Recent advances point out the promising use of endophytic formulations as bio-coatings on fruits to limit their post-harvest diseases, thus making the endophytic concept an eco-friendly substitute for synthetic chemicals. Advancements in the development and commercialization of endophyte-based coating materials demonstrate that they hold much promise as a low-cost and environmentally benign disease management strategy for horticultural industries.The aim of this review is to summarize recent insights into the diversity, molecular and biochemical mechanisms of action against pathogens, and translational potential of the metabolites from endophytes. It also calls attention to the endophytic coating as a new type of endophyte application that represents a bridge between basic research and an actual commercial coating. Taken collectively, this knowledge places endophytes as attractive parts of eco-sound, biologically initiated system of crop protection.</p>

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Role of endophytes in management of horticultural crops

  • Sucharita Mohapatra,
  • Mehjebin Rahman,
  • Lellapalli Rithesh,
  • Anwesha Sharma,
  • Shenaz Sultana Ahmed,
  • Trishna Taye,
  • Rahul Kumar Tiwari,
  • Milan Kumar Lal,
  • Ravinder Kumar

摘要

Main conclusion

This review highlights endophyte occurrence and diversity, mechanisms, signaling crosstalks, and innovative coating applications, positioning endophytes as eco-friendly tools bridging fundamental research and practical crop protection in horticultural crops.

Abstract

Endophytes are microorganisms that asymptomatically reside in plant tissues proving to be valuable partners in the realm of sustainable horticultural disease management. Their prevalence and diversity on horticultural crops indicate that there is a large pool of such microbial taxa with underused potential for promoting plant health. These endophytes use a variety of mechanisms in their fight against pathogens, including direct antagonism, niche and nutrient competition, and triggering of host defense mechanisms. Signaling crosstalk of the endophytes with the host plants can reprogram pathways like jasmonic acid, salicylic acid, and ethylene, leading to primed immunity and enhanced stress tolerance. The creation of enzymes (chitinase, glucanase) and bioactive metabolites is the main mechanism of pathogen growth suppression, while antimicrobial compounds and secondary metabolites are aimed at defense. Recent advances point out the promising use of endophytic formulations as bio-coatings on fruits to limit their post-harvest diseases, thus making the endophytic concept an eco-friendly substitute for synthetic chemicals. Advancements in the development and commercialization of endophyte-based coating materials demonstrate that they hold much promise as a low-cost and environmentally benign disease management strategy for horticultural industries.The aim of this review is to summarize recent insights into the diversity, molecular and biochemical mechanisms of action against pathogens, and translational potential of the metabolites from endophytes. It also calls attention to the endophytic coating as a new type of endophyte application that represents a bridge between basic research and an actual commercial coating. Taken collectively, this knowledge places endophytes as attractive parts of eco-sound, biologically initiated system of crop protection.