Kim, Dae-Ho
(Korean Agricultural Culture Collection, Agricultural Microbiology Division, National Academy of Agricultural Science, Rural Development Administration)
,
Kim, Seon-Hwa
(Korean Agricultural Culture Collection, Agricultural Microbiology Division, National Academy of Agricultural Science, Rural Development Administration)
,
Kwon, Soon-Wo
(Korean Agricultural Culture Collection, Agricultural Microbiology Division, National Academy of Agricultural Science, Rural Development Administration)
,
Lee, Jong-Kyu
(Tree Pathology and Mycology Laboratory, Division of Forest Environment Protection, Kangwon National University)
,
Hong, Seung-Beom
(Korean Agricultural Culture Collection, Agricultural Microbiology Division, National Academy of Agricultural Science, Rural Development Administration)
A new species named Aspergillus cumulatus sp. nov. is described in Aspergillus section Aspergillus (Eurotium state). The type strain (KACC $47316^T$) of this species was isolated from rice straw used in meju fermentations in Korea, and other strains were isolated from the air in a meju fe...
A new species named Aspergillus cumulatus sp. nov. is described in Aspergillus section Aspergillus (Eurotium state). The type strain (KACC $47316^T$) of this species was isolated from rice straw used in meju fermentations in Korea, and other strains were isolated from the air in a meju fermentation room. The species is characterized by growth at a wide range of water activities and the formation of aerial hyphae on malt extract 60% sucrose agar (ME60S) that resemble a cumulus cloud. Furthermore, A. cumulatus produces yellow ascomata containing small lenticular ascospores (5.1-5.7 ${\mu}m$) with a wide furrow, low equatorial crests, and tuberculate convex surface. The species is phylogenetically distinct from the other reported Aspergillus section Aspergillus species based on multilocus sequence typing using rDNA-ITS, ${\beta}$-tubulin, calmodulin, and RNA polymerase II genes.
A new species named Aspergillus cumulatus sp. nov. is described in Aspergillus section Aspergillus (Eurotium state). The type strain (KACC $47316^T$) of this species was isolated from rice straw used in meju fermentations in Korea, and other strains were isolated from the air in a meju fermentation room. The species is characterized by growth at a wide range of water activities and the formation of aerial hyphae on malt extract 60% sucrose agar (ME60S) that resemble a cumulus cloud. Furthermore, A. cumulatus produces yellow ascomata containing small lenticular ascospores (5.1-5.7 ${\mu}m$) with a wide furrow, low equatorial crests, and tuberculate convex surface. The species is phylogenetically distinct from the other reported Aspergillus section Aspergillus species based on multilocus sequence typing using rDNA-ITS, ${\beta}$-tubulin, calmodulin, and RNA polymerase II genes.
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대상 데이터
Additional isolates studied: KACC 47513 and KACC 47514 (air of meju fermentation room; Icheon and Anseong in Korea, respectively).
이론/모형
[3]. The combined data were analyzed using Tamura-Nei parameter distance calculation model, and then used to construct the Neighbor-Joining (NJ) tree with MEGA ver. 5.2.2 [7]. Bootstrap analysis was performed with 1,000 replications.
성능/효과
cumulatus (34-53 mm in 7 days). The two species are clearly separated by combined rDNA-ITS, BenA, Cmd, and Rpb2 sequences (94.5% similarity).
참고문헌 (7)
Hong SB, Kim DH, Lee MA, Baek SY, Kwon SW, Samson RA. 2011. Taxonomy of Eurotium species isolated from meju. J. Microbiol. 49: 669-674.
Hong SB, Lee M, Kim DH, Meijer M, Majoor E, Kuyk PA, Samson RA. 2012. Aspergillus cibarius sp. nov., from traditional meju in Korea. J. Microbiol. 49: 669-674.
Tamura K, Peterson D, Peterson N, Stecher G, Nei M, Kumar S. 2011. MEGA5: Molecular Evolutionary Genetics Analysis using maximum likelihood, evolutionary distance, and maximum parsimony methods. Mol. Biol. Evol. 28: 2731-2739.
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