Chitinolytic enzymes from endophytic fungi

Rajulu, M. B. Govinda; Thirunavukkarasu, N.; Suryanarayanan, T. S.; Ravishankar, Jagadesan P.; Gueddari, Nour Eddine El; Moerschbacher, Bruno M.

doi:10.1007/s13225-010-0071-z

Cited by 75 publications

(20 citation statements)

References 50 publications

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“…Nine endophyte strains were isolated from leaves of Magnolia liliflora and three of them were Phomopsis which are morphologically and phylogenetically similar to saprobes isolated from the early decay stage of leaves of the same host (Promputtha et al 2010). Endophytic Phomopsis strains have also been shown to produce leaf degrading enzymes similar to those of saprobic strains which support the biochemical evidence that endophytes become saprobes at leaf senescence (Promputtha et al 2010;Dai et al 2010;Meenavalli et al 2011).…”

Section: Phomopsis As Saprobesmentioning

confidence: 73%

The genus Phomopsis: biology, applications, species concepts and names of common phytopathogens

et al. 2011

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The genus Phomopsis (teleomorph Diaporthe) comprises phytopathologically important microfungi with diverse host associations and a worldwide distribution. Species concepts in Phomopsis have been based historically on morphology, cultural characteristics and host affiliation. This paper serves to provide an overview of the current status of the taxonomy in Phomopsis with special reference to biology, applications of various species, species concepts, future research perspectives and names of common pathogens, the latter being given taxonomic reappraisal. Accurate species identification is critical to understanding disease epidemiology and in developing effective control measures for plant diseases. Difficulties in accurate species identification using morphology have led to the application of alternative approaches to differentiate species, including virulence and pathogenicity, biochemistry, metabolites, physiology, antagonism, molecular phylogenetics and mating experiments. Redefinition of Phomopsis/Diaporthe species has been ongoing, and some species have been redefined based on a combination of molecular, morphological, cultural, phytopathological and mating type data. Rapid progress in molecular identification has in particular revolutionized taxonomic studies, providing persuasive genetic evidence to define the species boundaries. A backbone ITS based phylogenetic tree is here in generated using the sequences derived from 46 type, epitype cultures, and vouchers and is presented as a rough and quick identification guide for species of Phomopsis. The need for epitypification of taxonomic entities and the need to use multiple loci in phylogenies that better reflect species limits are suggested. The account of names of phytopathogens currently in use are listed alphabetically and annotated with a taxonomic entry, teleomorph, associated hosts and disease symptoms, including brief summaries of taxonomic and phylogenetic research. Available type culture information and details of gene sequences derived from type cultures are also summarized and tabulated.

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Section: Phomopsis As Saprobesmentioning

confidence: 73%

The genus Phomopsis: biology, applications, species concepts and names of common phytopathogens

et al. 2011

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“…Endophytic fungi are beneficial to their host plants and have the ability to produce bioactive compounds that have applied uses (Fisher et al 1994;Strobel et al 2004;Gunatilaka 2006;Arnold et al 2007;Saikkonen et al 2010;Aly et al 2010;Lin et al 2010;Rajulu et al 2011;Chowdhary et al 2015). Research on endophytic fungi began approximately 30 years ago and has intensified over the past 20 years (Thomson et al 1997;Arnold et al 2000;Stone et al 2000;Hyde and Soytong 2008;Lumyong et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Identification of endophytic fungi from leaves of Pandanaceae based on their morphotypes and DNA sequence data from southern Thailand

Tibpromma¹,

Hyde²,

Bhat³

et al. 2018

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The authors established the taxonomic status of endophytic fungi associated with leaves of Pandanaceae collected from southern Thailand. Morphotypes were initially identified based on their characteristics in culture and species level identification was done based on both morphological characteristics and phylogenetic analyses of DNA sequence data. Twenty-two isolates from healthy leaves were categorised into eight morphotypes. Appropriate universal primers were used to amplify specific gene regions and phylogenetic analyses were performed to identify these endophytes and established relationships with extant fungi. The authors identified both ascomycete and basidiomycete species, including one new genus, seven new species and nine known species. Morphological descriptions, colour plates and phylogenies are given for each taxon. RESEARCH ARTICLESaowaluck Tibpromma et al. / MycoKeys 33: 25-67 (2018) 26

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“…Many of these fungi produce novel chitinases and chitosanses (Govinda Rajulu et al 2011), proteases (Thirunavukkarasu et al 2017), cellulase, laccase, lipase and pectinase (Govinda Rajulu et al 2013). Endophytic fungi of marine plants produce salt-tolerant xylanases and xylosidases (Thirunavukkarasu et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Endolichenic fungi: the lesser known fungal associates of lichens

Suryanarayanan

Thirunavukkarasu

2017

Mycology

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Lichens are the result of a stable mutualism between a fungal and a photosynthesising partner (alga or cyanobacterium). In addition to the fungal partner in this mutualism, lichens are associated with endolichenic fungi which reside inside their thalli. The endolichenic fungi appear to have evolved with the lichen and many of them are a source of novel metabolites vested with unique bioactivities. There is very little information on the biology of endolichenic fungi and their interactions with the other components of a lichen microbiome. There is an urgent need to understand these aspects of endolichenic fungi such that their ecology and economic potential are known more completely. The current knowledge on endolichenic fungi is reviewed here.

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Chitinolytic enzymes from endophytic fungi

Cited by 75 publications

References 50 publications

The genus Phomopsis: biology, applications, species concepts and names of common phytopathogens

The genus Phomopsis: biology, applications, species concepts and names of common phytopathogens

Identification of endophytic fungi from leaves of Pandanaceae based on their morphotypes and DNA sequence data from southern Thailand

Endolichenic fungi: the lesser known fungal associates of lichens

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