Genome Sequence of Metarhizium
            <i>rileyi</i>
            , a Microbial Control Agent for Lepidoptera

Binneck, Eliseu; Lastra, Cláudia C. López; Sosa–Gómez, Daniel Ricardo

doi:10.1128/mra.00897-19

Cited by 14 publications

(5 citation statements)

References 24 publications

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“…Terminal taxon names are colour coded to indicate nutritional modes (as shown in the key). Information for this figure is compiled from genome sequences described in [10,20,[33][34][35][36]. Two Pochonia chlamydosporia genomes have been sequenced (PC170 and PC123) which differ in numbers of S8 subtilisins (31 versus 25) and GH18 chitinases (18 versus 23) [33].…”

Section: The Origins Of the Genus Metarhiziummentioning

confidence: 99%

Metarhizium: jack of all trades, master of many

Leger

Wang

2020

Open Biol.

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The genus Metarhizium and Pochonia chlamydosporia comprise a monophyletic clade of highly abundant globally distributed fungi that can transition between long-term beneficial associations with plants to transitory pathogenic associations with frequently encountered protozoans, nematodes or insects. Some very common ‘specialist generalist’ species are adapted to particular soil and plant ecologies, but can overpower a wide spectrum of insects with numerous enzymes and toxins that result from extensive gene duplications made possible by loss of meiosis and associated genome defence mechanisms. These species use parasexuality instead of sex to combine beneficial mutations from separate clonal individuals into one genome (Vicar of Bray dynamics). More weakly endophytic species which kill a narrow range of insects retain sexuality to facilitate host–pathogen coevolution (Red Queen dynamics). Metarhizium species can fit into numerous environments because they are very flexible at the genetic, physiological and ecological levels, providing tractable models to address how new mechanisms for econutritional heterogeneity, host switching and virulence are acquired and relate to diverse sexual life histories and speciation. Many new molecules and functions have been discovered that underpin Metarhizium associations, and have furthered our understanding of the crucial ecology of these fungi in multiple habitats.

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Section: The Origins Of the Genus Metarhiziummentioning

confidence: 99%

Metarhizium: jack of all trades, master of many

Leger

Wang

2020

Open Biol.

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“…The molecular characterization of the fungus improved studies on isolate selection for insect control (Boucias, Stokes, et al., 2000; Thakur & Sandhu, 2010), as well as providing the opportunity for the sequencing of the genome of M. rileyi (Binneck et al., 2019). The relevance of genetic studies can also be confirmed by the range of research related to the selection of fungal isolates for the control of a particular pest, because genetics confirm the high intraspecific variability present in M. rileyi (Suwannakut et al., 2005).…”

Section: Resultsmentioning

confidence: 99%

Bibliometric analysis of global research on fungal Metarhizium rileyi based on Web of Science

et al. 2022

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The use of microbial agents for pest control has been increasing gradually since the 1960s. Among these control agents, the fungus Metarhizium rileyi is responsible for causing epizootics in larvae of Lepidopteran pests. However, studies with this entomopathogen are relatively scarce when compared to other species, such as Beauveria bassiana and M. anisopliae. Thus, it is relevant to identify the research gaps. Our objective was to carry out a bibliometric survey of research involving M. rileyi. The data collection for bibliometric analysis was performed in the Web of Science Core Collection database, using the keywords M. rileyi and Nomuraea rileyi, resulting in a total of 329 articles from 1974 to October 2021. The literature on M. rileyi does not demonstrate a constant upward trend, revealing only two peaks of publications (1992 and 2018), with a maximum of 12 articles per year. Of the 329 articles, 65% were published before the 1990s, emphasizing that despite recent advances, the majority of articles corresponded to the period between 1974 and 1999. In addition, 77% of the publications are focused on pest control, highlighting the importance of the pathogen for biological control. However, there is a lack of work focused on the large‐scale production of the fungus, selective media for in vitro cultivation, the shelf life and environmental influence on conidia survival, application technology, formulations, and pathogen interaction with plants and insect hosts (trophic interaction).

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“…Metarhizium rileyi (Farlow) Kepler S.A. Rehner & Humber (Ascomycota: Clavicipitaceae), formerly known as Nomuraea rileyi (Farlow) Samson, is a potential agent for microbial control of insect pests that can cause considerable agricultural productivity loss [72]. M. rileyi was firstly described as Botrytis rileyi in 1883, then as Spicaria rileyi (Charles 1936) and later moved to the genus Nomuraea (Kish, Samson, and Allen 1974).…”

Section: Metarhizium Rileyimentioning

confidence: 99%

Role of Microbial Biopesticides as an Alternative to Insecticides in Integrated Pest Management of Cotton Pests

Malinga¹,

Laing²

2022

Insecticides - Impact and Benefits of Its Use for Humanity

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Cotton (Gossypium hirsutum L.) is the most produced natural fibre worldwide, and it contributes significantly to the economy of almost 80 cotton-producing countries. Given the high pest infestation, huge amounts of insecticides have been used in cotton production. However, this has resulted in the development of resistance from primary cotton pests and contamination of the environment. Furthermore, the reduction of beneficial insects and outbreaks of secondary pests have been observed. Many arthropod pests are associated with cotton, most of which belong to the orders Lepidoptera, Thysanoptera, and Hemiptera. Biocontrol agents play a critical role in preventing pests in most cotton-growing areas globally. Biological control of cotton pests forms part of integrated pest management as most of these pests have developed resistance against synthetic pesticides. This chapter focuses on the effects of some of the biopesticides, on cotton insect pests. It examines the control of cotton pests using microbial-based products Bacillus thuringiensis, Beauveria bassiana, Helicoverpa armigera nucleopolyhedrovirus and Metarhizium rileyi. Furthermore, the chapter summarizes the application of microbial biopesticides as well as the advantages and disadvantages of using these biocontrol agents in agriculture.

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Genome Sequence of Metarhizium rileyi , a Microbial Control Agent for Lepidoptera

Cited by 14 publications

References 24 publications

Metarhizium: jack of all trades, master of many

Metarhizium: jack of all trades, master of many

Bibliometric analysis of global research on fungal Metarhizium rileyi based on Web of Science

Role of Microbial Biopesticides as an Alternative to Insecticides in Integrated Pest Management of Cotton Pests

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