Fungal endophytes: potential biocontrol agents in agriculture

Gautam, Ajay Kumar; Avasthi, Shubhi

doi:10.1016/b978-0-12-817004-5.00014-2

Cited by 14 publications

(9 citation statements)

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“…Considering the above, the use of beneficial microorganisms is presented as an alternative for the control of these pathogens, not only for soil-borne diseases but also for pathogens that can proliferate in the aerial part of the plant and can also compensate for the negative environmental impacts caused by chemical pesticides [65]. Studies on the biological control of diseases through the use of microorganisms have recently increased, and the role of the interactions of beneficial microorganisms with the plant and/or the pathogen is receiving more and more attention, not only because of their antagonistic action but also because of their potential to promote plant growth, thus contributing to a more sustainable production over time [66].…”

Section: Disease Control With Microorganismsmentioning

confidence: 99%

Biological Control inCapsicumwith Microbial Agents

Barra-Bucarei¹,

Javiera²

2020

Capsicum

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Capsicum annuum L. has great importance worldwide for its nutritional characteristics and its antioxidant content. It is cultivated in different geographical areas, under field and greenhouse conditions, and its production can be used for fresh consumption or processing. During its growth, it can be affected by biotic factors, such as pests and diseases that negatively affect the production and quality of its fruits, thus making adequate control measures necessary to avoid relevant economic losses. The environmental conditions that occur in its production promote the development of pests and diseases that can progress rapidly, making it increasingly difficult to manage populations of Capsicum. Traditionally, chemical pesticides have been used to deal with these problems, but their indiscriminate use has had negative consequences on the environment and human health. Biological control, based on the use of microorganisms, is thus presented as an efficient and sustainable alternative for Capsicum cultivation and offers a series of additional benefits. This chapter reviews the control alternatives available with microbial agents and their applications in the protection of Capsicum plants.

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Section: Disease Control With Microorganismsmentioning

confidence: 99%

Biological Control inCapsicumwith Microbial Agents

Barra-Bucarei¹,

Javiera²

2020

Capsicum

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“…Endophytic fungi offer a number of benefits to plants, such as protecting hosts from abiotic (e.g., drought, high temperature, and waterlogging) and biotic (e.g., pathogens and insect pests) stresses and promoting plant growth and germination [6][7][8][9]. Moreover, owing to their numerous properties, such as anticancer, antidiabetic, biocontrol, immunosuppressive, and insecticidal potentials, endophytes are often used in agricultural, industrial, pharmaceutical, and medical sectors [10][11][12]. Even though endophytes are among the most widely studied groups of fungi, studies of mangoassociated endophytes are comparatively limited.…”

Section: Introductionmentioning

confidence: 99%

Taxonomy and Phylogeny of Endophytic Fungi (Chaetomiaceae) Associated with Healthy Leaves of Mangifera indica in Yunnan, China

Yang,

Karunarathna,

Dai

et al. 2023

Diversity

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Mangoes belong to Mangifera (Anacardiaceae), which contains 69 species, but only Mangifera indica is popularly cultivated and commercialized. Mango is one of the most important crops grown in China’s Yunnan Province and significantly contributes to the economic security of these locals. Endophytic fungi have been recognized as beneficial microbes that improve plant growth, productivity, and survivability under environmental stress. Nevertheless, many host plant-related endophytic fungi are yet to be identified, including the mango-related species. During this study, we recognized three different fungal species in the family Chaetomiaceae derived from healthy mango (Mangifera indica) leaves based on morphological examinations coupled with multi-gene phylogenetic analysis (ITS, LSU, rpb2, and tub2). These species are Dichotomopilus funicola (KUNCC23-13347) and Humicola wallefii (KUNCC22-10759, 23-13348), derived from new hosts, and a new species of Arcopilus hongheensis (KUNCC22-10767, 23-13346).

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“…Fungal endophytes need to secrete metabolites to colonize their host and compete with other microorganisms and also regulate the host metabolism to induce certain changes in plant metabolic pathways (Harman & Shoresh, 2007;Schulz et al, 2002). Though some studies report similarity of pathogenic and endophytic fungi in their initial trigger of an immune response from plant, the colonization of endophytic fungi can avoid the host defense responses and is more localized in plant tissue, and often intercellular (Gautam & Avasthi, 2019) Finally, fungal endophytes can be transmitted either vertically or horizontally. In the case of vertical transmission, the endophytes proliferate in successive generations of the host.…”

Section: Endophyte-host Interactionmentioning

confidence: 99%

“…Recently, many endophytic fungi have been found to produce compounds with medicinal properties, including alkaloids, terpenoids, flavonoids and phenolic compounds (Shevchuk et al, 2023;Strobel, 2003). Thus, these natural compounds have been found to be promising for current agricultural and medical progress (Gautam & Avasthi, 2019;Raja et al, 2017). Nevertheless, these compounds are the result of several environmental, evolutionary and ecological factors (Aly et al, 2011).…”

Section: Production Of Secondary Metabolitesmentioning

confidence: 99%

“…Fungal endophyte can directly antagonize with a plant pathogen for colonization or produce toxic compounds with direct effect on plant pathogen (Porras-Alfaro & Bayman, 2011). Many endophytic species have been reported to produce antibiotic substances which can be applied in agriculture against several fungal pathogens (Gautam & Avasthi, 2019). Some fungal endophytes, such as Trichoderma sp., are also able to act as a parasite of plant pathogens (Guzmán-Guzmán et al, 2019).…”

Section: Biocontrol Agents In Plant Biotic Stressmentioning

confidence: 99%

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Endophytic communities in S. lycopersicum genotypes: Isolation of a novel fungal strain and its application to plant

Liu Xu

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Nowadays, due to the consequences of climate change and global overpopulation research in the agricultural sector has become more crucial than ever. Although plants are sessile, they are not unprotected. It is known that plants are part of a large ecological unit that includes their microbiota -the microorganisms that live in contact with them. The presence of these microorganisms such as fungi and bacteria varies depending on biological and environmental factors. Different plant SUMMARY INTRODUCTION OBJECTIVES CHAPTER 1 CHAPTER 2 CHAPTER 3 CHAPTER 4 CHAPTER 5 DISCUSSION CONCLUSIONS Drought StressDrought is widely considered to be the most significant stress factor. It can affect many aspects of plant growth and metabolism (Chaves et al., 2003). The specific morphological and physiological challenges depend on both the stress intensity and the plant's sensitivity to the stress (Mukarram et al., 2021). Plant responses to drought stress can be classified into two categories: morphophysiological and biochemical processes.The morphophysiological mechanisms are based on drought avoidance, escape, tolerance, or recovery (Fang & Xiong, 2015). For instance, tolerance is mainly achieved through the adjustment of osmotic processes, while drought avoidance Lindow & Brandl, 2003). Humidity allows bacteria to survive as epiphyte and is also essential for bacterial multiplication in the apoplast. Temperatures over the optimal 28ºC are reported to affect plant immunity and potentially reduce disease by limiting the production of phytotoxins.Finally, it is currently known that the plant microbiome can also affect the interaction between plant and pathogen. It has been proven that the addition of Isolation and identification of fungal endophytesThe isolation of fungal endophytes is inevitably associated with their cultivability in vitro, so many currently unculturable endophytes are unexplored. Common fungal culture media include Potato Dextrose Agar (PDA), Malt Extract Agar (MEA), Czapex Dox Agar (CDA), Sabouraud Dextrose Agar (SDA) or Nutrient Agar (NA) (Sharma & Pandey, 2010;Syamsia et al., 2019).with sequences that are representative of the study regions, in several reliable databases, because not all deposited sequences might be correctly annotated, authenticated, or have taxonomic names up to date (Nilsson et al., 2006). Thus, the use of genomic sequencing in fungi represents an essential tool for the advances in the field of fungal endophytes, yet it is crucial to resort to highly specialized databases such as UNITE or Greengenes for correct identification.

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Fungal endophytes: potential biocontrol agents in agriculture

Cited by 14 publications

References 218 publications

Biological Control inCapsicumwith Microbial Agents

Biological Control inCapsicumwith Microbial Agents

Taxonomy and Phylogeny of Endophytic Fungi (Chaetomiaceae) Associated with Healthy Leaves of Mangifera indica in Yunnan, China

Endophytic communities in S. lycopersicum genotypes: Isolation of a novel fungal strain and its application to plant

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