Fungal diversity in deep-sea sediments – the presence of novel fungal groups

Nagano, Yuriko; Nagahama, Takahiko; Hatada, Yuji; Nunoura, Takuro; Takami, Hideto; Miyazaki, Junichi; Takai, Ken; Horikoshi, Koki

doi:10.1016/j.funeco.2010.01.002

Cited by 136 publications

(104 citation statements)

References 33 publications

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“…Fungi isolated from deep seas were first reported nearly 50 years ago (Roth et al 1964), then a great number of fungi including some novel species have been published by both conventional culture-dependent (Raghukumar et al 2004; Gadanho and Sampaio 2005; Damare et al 2006; Nagahama et al 2006; Le Calvez et al 2009; Singh et al 2010) and culture-independent methods (Lai et al 2007; Le Calvez et al 2009; Nagano et al 2010). Le Calvez et al (2009) reported striking differences in their comparison of deep-sea fungal diversity assessed by culture-dependent and culture-independent methods.…”

Section: Cold-adapted Fungi and Their Living Strategiesmentioning

confidence: 99%

Living strategy of cold-adapted fungi with the reference to several representative species

et al. 2017

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Our planet is dominant with cold environments that harbour enormously diverse cold-adapted fungi comprising representatives of all phyla. Investigation based on culture-dependent and independent methods has demonstrated that cold-adapted fungi are cosmopolitan and occur in diverse habitants and substrates. They live as saprobes, symbionts, plant and animal parasites and pathogens to perform crucial functions in different ecosystems. Pseudogymnoascus destructans caused bat white-nose syndrome and Ophiocordyceps sinensis as Chinese medicine are the representative species that have significantly ecological and economic significance. Adaptation to cold niches has made this group of fungi a fascinating resource for the discovery of novel enzymes and secondary metabolites for biotechnological and pharmaceutical uses. This review provides the current understanding of living strategy and ecological functions of cold-adapted fungi, with particular emphasis on how those fungi overcome the extreme low temperature and perform their ecological function.

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Section: Cold-adapted Fungi and Their Living Strategiesmentioning

confidence: 99%

Living strategy of cold-adapted fungi with the reference to several representative species

et al. 2017

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“…The Cryptomycota may be considered extremophiles (Gleason et al 2012), and some eDNA clones were found from another cold environment, i.e. deep sea (Nagano et al 2010, Nagahama et al 2011). Fructifications of nivicolous myxomycetes occur under snow cover, therefore this also supports the suggestion that the cyst-like body represents the first record of a cryophilic fungus (Hoshino & Matsumoto 2012) in the Cryptomycota.…”

Section: Discussionmentioning

confidence: 99%

Ultrastructure of cyst-like fungal bodies in myxomycete fruiting bodies

Inaba¹,

Yajima²,

Degawa³

et al. 2013

Karstenia

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“…Strains belonging to the genera Rhodosporidium, Rhodotorula, and Candida have been frequently found in deep-sea environments, using culture-independent methods. On the contrary, species of the genera Cryptococcus, Pichia, and Trichosporon seem to be detected more frequently using culture-independent methods than by using culture-dependent methods (Bass et al 2007;Lai et al 2007;Nagano et al 2010;Singh et al 2010). The basidiomycetous yeast Cryptococcus curvatus was found to be the dominant eukaryotic microorganisms in oxygen-depleted sediments from deep-sea methane seeps at the Kuroshima Knoll (Takishita et al 2006).…”

Section: Yeast Diversity In Deep-sea Environmentsmentioning

confidence: 97%

“…The advantages of using molecular methods are mainly the requirement of only a small amount of samples and the detection of difficult-to-culture or unculturable species, including rare species. Yeast species which have not been reported by culture-dependent methods have been detected by culture-independent methods from deep-sea environments (Bass et al 2007;Lai et al 2007;Le Calvez et al 2009;Nagano et al 2010;Singh et al 2010Singh et al , 2011Nagahama et al 2011). Strains belonging to the genera Rhodosporidium, Rhodotorula, and Candida have been frequently found in deep-sea environments, using culture-independent methods.…”

Section: Yeast Diversity In Deep-sea Environmentsmentioning

confidence: 99%

Cold-Adapted Yeasts in Deep-Sea Environments

Nagano

Nagahama

Abe

2013

Cold-Adapted Yeasts

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Deep sea, the world's largest cold environment, is an environment of extreme conditions, such as high hydrostatic pressure and low nutrient availability, and has an average water temperature between -1 and 4°C in most areas of deep sea. Living organisms in deep sea are considered to be adapted to cold environments. Yeast diversity commonly found in deep sea is represented by Rhodosporidium spp., Rhodotorula spp., Candida spp., Cryptococcus spp., Pichia spp., Sporobolomyces spp., and Trichosporon spp. This representation of yeasts is similar to yeasts found in other cold environments. Only psychrotolerant yeasts have been reported from deep-sea environments to date. However, the majority of yeasts isolated from deep-sea environments show better growth in deep-sea simulated conditions, such as 3°C/40 MPa, than yeasts isolated from terrestrial environments. In comparison with prokaryotic microorganisms, yeasts in deep-sea environments are relatively underexplored, with few studies carried out on their physiology. Although the true yeast diversity and their ecology in deep-sea environments remains unclear, the intention of this chapter is to discuss current knowledge on deep-sea yeast diversity and their physiological characteristics and adaptation mechanisms to cold and high pressure in the model yeast Saccharomyces cerevisiae.

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Fungal diversity in deep-sea sediments – the presence of novel fungal groups

Cited by 136 publications

References 33 publications

Living strategy of cold-adapted fungi with the reference to several representative species

Living strategy of cold-adapted fungi with the reference to several representative species

Ultrastructure of cyst-like fungal bodies in myxomycete fruiting bodies

Cold-Adapted Yeasts in Deep-Sea Environments

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