Mucor rongii sp. nov., a New Cold-Tolerant Species from China

Bai, Feirong; Yao, Su; Cai, Chengshan; Zhang, Tianci; Wang, Yu; Liu, Wei; Ma, Baowen; Rong, Changyuan; Cheng, Chi

doi:10.1007/s00284-021-02494-w

Cited by 5 publications

(3 citation statements)

References 12 publications

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“…M. flavus differs from M. robustus by fusiform sporangiophores (https://www.mycobank.org). M. rongii differs from M. robustus by broadly ellipsoid to cylindrical or rather irregular sporangiospores (Bai et al . 2021).…”

Section: Resultsmentioning

confidence: 99%

Outline and divergence time of subkingdom Mucoromyceta: two new phyla, five new orders, six new families and seventy-three new species

Zhao

Dai

Liu

2022

Preprint

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Zygomycetes are phylogenetically early diverged, ecologically diverse, industrially valuable, agriculturally beneficial, and clinically pathogenic fungi. Although new phyla and subphyla have been constantly established to accommodate specific members and a subkingdom, Mucoromyceta, was erected to unite core zygomycetous fungi, their phylogenetic relationships have not been well resolved. Taking account of the information of monophyly and divergence time estimated from ITS and LSU rDNA sequences, the present study updates the classification framework of the subkingdom Mucoromyceta from the phylum down to the generic rank: six phyla (including two new phyla Endogonomycota and Umbelopsidomycota), eight classes, 15 orders (including five new orders Claroideoglomerales, Cunninghamellales, Lentamycetales, Phycomycetales and Syncephalastrales), 41 families (including six new families Circinellaceae, Gongronellaceae, Protomycocladaceae, Rhizomucoraceae, Syzygitaceae and Thermomucoraceae), and 121 genera. The taxonomic hierarchy was calibrated with estimated divergence times: phyla 810-639 Mya, classes 651-585 Mya, orders 570-400 Mya, and families 488- Mya. Along with this outline, 71 genera are annotated and 73 new species are described. In addition, three new combinations are proposed. In this paper, we update the taxonomic backbone of the subkingdom Mucoromyceta and reinforce its phylogeny. We also contribute numerous new taxa and enrich the diversity of Mucoromyceta.

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Section: Resultsmentioning

confidence: 99%

Outline and divergence time of subkingdom Mucoromyceta: two new phyla, five new orders, six new families and seventy-three new species

Zhao

Dai

Liu

2022

Preprint

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“…Mucor sp., a zygomycete filamentous fungus often found in natural environments such as soils, air, fruits, and vegetables, reproduces rapidly and its hyphae develop densely [ 1 ]. Some thermotolerant species (such as M. indicus and M. ramosissimus ) are obligate pathogens that affect animal and human health [ 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

Separation, Purification, Structural Characterization, and Anticancer Activity of a Novel Exopolysaccharide from Mucor sp.

et al. 2022

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Mucor sp. has a wide range of applications in the food fermentation industry. In this study, a novel exopolysaccharide, labeled MSEPS, was separated from Mucor sp. fermentation broth through ethanol precipitation and was purified by ion-exchange chromatography, as well as gel filtration column chromatography. MSEPS was composed mostly of mannose, galactose, fucose, arabinose, and glucose with a molar ratio of 0.466:0.169:0.139:0.126:0.015 and had a molecular weight of 7.78 × 104 Da. The analysis of methylation and nuclear magnetic resonance results indicated that MSEPS mainly consisted of a backbone of →3,6)-α-d-Manp-(1→3,6)-β-d-Galp-(1→, with substitution at O-3 of →6)-α-d-Manp-(1→ and →6)-β-d-Galp-(1→ by terminal α-l-Araf residues. MTT assays showed that MSEPS was nontoxic in normal cells (HK-2 cells) and inhibited the proliferation of carcinoma cells (SGC-7901 cells). Additionally, morphological analysis and flow cytometry experiments indicated that MSEPS promoted SGC-7901 cell death via apoptosis. Therefore, MSEPS from Mucor sp. can be developed as a potential antitumor agent.

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“…The genus Mucor was described by Fresenius [ 1 ], and it is classified in the family Mucoraceae , order Mucorales , and phylum Mucoromycota , which belongs to the early diverging fungi [ 2 ]. With more than 90 currently accepted species [ 3 , 4 , 5 , 6 , 7 , 8 ], Mucor is the largest genus within the Mucorales . Species of Mucor are known to be saprotrophs that are usually isolated from dung, soil, freshwater, insects, or fruits [ 6 , 9 , 10 , 11 , 12 , 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

Discovery of Three New Mucor Species Associated with Cricket Insects in Korea

Nguyen

Lee

2022

JoF

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Species in the genus Mucor have a worldwide distribution and are isolated from various substrata and hosts, including soil, dung, freshwater, and fruits. However, their diversity from insects is still much too little explored. The aim of this study was to characterize three new species of Mucor: Mucor grylli sp. nov., M. hyangburmii sp. nov., and M. kunryangriensis sp. nov., discovered in Kunryang-ri, Cheongyang in the Chungnam Province of Korea, during an investigation of Mucorales from cricket insects. The new species are described using morphological characters and molecular data including ITS and LSU rDNA regions. Mucor grylli is characterized by the highly variable shape of its columellae, which are subglobose to oblong, obovoid, strawberry-shaped, and sometimes slightly or strongly constricted in the center. Mucor hyangburmii is characterized by the production of azygospores and growth at 40 °C. Mucor kunryangriensis is characterized by the variable shape of its columellae, which are elongated-conical, obovoid, cylindrical ellipsoid, cylindrical, and production of abundant yeast-like cells on PDA, MEA, and SMA media. Based on the sequence analysis of two genetic markers, our phylogenic assessment strongly supported M. grylli, M. hyangburmii, and M. kunryangriensis as new species. Detailed descriptions, illustrations, and phylogenetic trees are provided.

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Mucor rongii sp. nov., a New Cold-Tolerant Species from China

Cited by 5 publications

References 12 publications

Outline and divergence time of subkingdom Mucoromyceta: two new phyla, five new orders, six new families and seventy-three new species

Outline and divergence time of subkingdom Mucoromyceta: two new phyla, five new orders, six new families and seventy-three new species

Separation, Purification, Structural Characterization, and Anticancer Activity of a Novel Exopolysaccharide from Mucor sp.

Discovery of Three New Mucor Species Associated with Cricket Insects in Korea

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