Yeast communities of secondary peat swamp forests in Thailand and their antagonistic activities against fungal pathogens cause of plant and postharvest fruit diseases

Satianpakiranakorn, Petlada; Khunnamwong, Pannida

doi:10.1371/journal.pone.0230269

Cited by 15 publications

(5 citation statements)

References 51 publications

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“…The natural habitat of C. membranifaciens is not defined, but isolates from this species have been retrieved from diverse habitats and substrates, including fresh, marine, and estuarine waters, insects, plants, and clinical specimens [ 4 , 5 ]. Yeasts of Candida genus have been isolated from soils worldwide [ 19 , 38 , 39 , 40 ], but, to the best of our knowledge, this is the first report on the isolation of the species C. membranifaciens from this habitat. Interestingly, in our study, four strains from this species were isolated from three different soils, showing that soil is a reservoir of this species.…”

Section: Resultsmentioning

confidence: 99%

Genome Sequence and Analysis of the Flavinogenic Yeast Candida membranifaciens IST 626

Palma

Mondo

Pereira

et al. 2022

JoF

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The ascomycetous yeast Candida membranifaciens has been isolated from diverse habitats, including humans, insects, and environmental sources, exhibiting a remarkable ability to use different carbon sources that include pentoses, melibiose, and inulin. In this study, we isolated four C. membranifaciens strains from soil and investigated their potential to overproduce riboflavin. C. membranifaciens IST 626 was found to produce the highest concentrations of riboflavin. The volumetric production of this vitamin was higher when C. membranifaciens IST 626 cells were cultured in a commercial medium without iron and when xylose was the available carbon source compared to the same basal medium with glucose. Supplementation of the growth medium with 2 g/L glycine favored the metabolization of xylose, leading to biomass increase and consequent enhancement of riboflavin volumetric production that reached 120 mg/L after 216 h of cultivation. To gain new insights into the molecular basis of riboflavin production and carbon source utilization in this species, the first annotated genome sequence of C. membranifaciens is reported in this article, as well as the result of a comparative genomic analysis with other relevant yeast species. A total of 5619 genes were predicted to be present in C. membranifaciens IST 626 genome sequence (11.5 Mbp). Among them are genes involved in riboflavin biosynthesis, iron homeostasis, and sugar uptake and metabolism. This work put forward C. membranifaciens IST 626 as a riboflavin overproducer and provides valuable molecular data for future development of superior producing strains capable of using the wide range of carbon sources, which is a characteristic trait of the species.

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Section: Resultsmentioning

confidence: 99%

Genome Sequence and Analysis of the Flavinogenic Yeast Candida membranifaciens IST 626

Palma

Mondo

Pereira

et al. 2022

JoF

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“…Yeast diversity has been investigated in various habitats throughout different regions of Thailand [5,10,15,16,18,19,46,70,78]. Wickerhamomyces anomalus was first species reported in Thailand in 2002 [20].…”

Section: Discussionmentioning

confidence: 99%

“…Currently, only eight Wickerhamomyces species, namely W. anomalus, W. ciferrii, W. edaphicus, W. rabaulensis, W. siamensis, W. sydowiorum, W. tratensis and W. xylosicus, have been reported in Thailand [4,8,16,17,19,20,46,70,78]. Accordingly, Thailand has been identified as a hotspot for unexpected novel species and the newly recorded discovery of many microorganisms [113,114].…”

Section: Introductionmentioning

confidence: 99%

An Updated Global Species Diversity and Phylogeny in the Genus Wickerhamomyces with Addition of Two New Species from Thailand

Nundaeng

Suwannarach

Limtong

et al. 2021

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Ascomycetous yeast species in the genus Wickerhamomyces (Saccharomycetales, Wickerhamomycetaceae) are isolated from various habitats and distributed throughout the world. Prior to this study, 35 species had been validly published and accepted into this genus. Beneficially, Wickerhamomyces species have been used in a number of biotechnologically applications of environment, food, beverage industries, biofuel, medicine and agriculture. However, in some studies, Wickerhamomyces species have been identified as an opportunistic human pathogen. Through an overview of diversity, taxonomy and recently published literature, we have updated a brief review of Wickerhamomyces. Moreover, two new Wickerhamomyces species were isolated from the soil samples of Assam tea (Camellia sinensis var. assamica) that were collected from plantations in northern Thailand. Herein, we have identified these species as W. lannaensis and W. nanensis. The identification of these species was based on phenotypic (morphological, biochemical and physiological characteristics) and molecular analyses. Phylogenetic analyses of a combination of the internal transcribed spacer (ITS) region and the D1/D2 domains of the large subunit (LSU) of ribosomal DNA genes support that W. lannaensis and W. nanensis are distinct from other species within the genus Wickerhamomyces. A full description, illustrations and a phylogenetic tree showing the position of both new species have been provided. Accordingly, a new combination species, W. myanmarensis has been proposed based on the phylogenetic results. A new key for species identification is provided.

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“…The yeast diversity in peat swamp forests of both the primary and secondary types in Thailand have been intensively investigated during the last decade. A collection was performed in the Princes Sirindhorn (Pru To Daeng) Wildlife Sanctuary in Narathiwat province, which is the largest primary peat swamp forest in Thailand (Jaiboon et al, 2016), the Khanthuli forest, which consists of primary and secondary types of peat swamp forest in Surat Thani province (Boonmak et al, 2020; Nasanit et al, 2020), the Khuankreng peat swamp forest of Nakhon Si Thammarat province (Nasanit et al, 2020; Satianpakiranakorn et al, 2020), and the Rayong Botanical Garden peat swamp forest, which is a secondary peat swamp forest in Rayong province (Satianpakiranakorn et al, 2020). Yeasts in both phyla Ascomycota and Basidiomycota were found.…”

Section: Yeast Diversity In Tropical Forests Of Asiamentioning

confidence: 99%

Yeasts from tropical forests: Biodiversity, ecological interactions, and as sources of bioinnovation

Rosa,

Lachance,

Limtong

et al. 2023

Yeast

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Tropical rainforests and related biomes are found in Asia, Australia, Africa, Central and South America, Mexico, and many Pacific Islands. These biomes encompass less than 20% of Earth's terrestrial area, may contain about 50% of the planet's biodiversity, and are endangered regions vulnerable to deforestation. Tropical rainforests have a great diversity of substrates that can be colonized by yeasts. These unicellular fungi contribute to the recycling of organic matter, may serve as a food source for other organisms, or have ecological interactions that benefit or harm plants, animals, and other fungi. In this review, we summarize the most important studies of yeast biodiversity carried out in these biomes, as well as new data, and discuss the ecology of yeast genera frequently isolated from tropical forests and the potential of these microorganisms as a source of bioinnovation. We show that tropical forest biomes represent a tremendous source of new yeast species. Although many studies, most using culture‐dependent methods, have already been carried out in Central America, South America, and Asia, the tropical forest biomes of Africa and Australasia remain an underexplored source of novel yeasts. We hope that this review will encourage new researchers to study yeasts in unexplored tropical forest habitats.

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Yeast communities of secondary peat swamp forests in Thailand and their antagonistic activities against fungal pathogens cause of plant and postharvest fruit diseases

Cited by 15 publications

References 51 publications

Genome Sequence and Analysis of the Flavinogenic Yeast Candida membranifaciens IST 626

Genome Sequence and Analysis of the Flavinogenic Yeast Candida membranifaciens IST 626

An Updated Global Species Diversity and Phylogeny in the Genus Wickerhamomyces with Addition of Two New Species from Thailand

Yeasts from tropical forests: Biodiversity, ecological interactions, and as sources of bioinnovation

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