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Culture-based analysis of fungi in leaves after the primary and secondary fermentation processes during Ishizuchi-kurocha production and lactate assimilation of P. kudriavzevii
https://obihiro.repo.nii.ac.jp/records/4397
https://obihiro.repo.nii.ac.jp/records/439783fac914-6f99-4e64-9613-c048635a22ef
名前 / ファイル | ライセンス | アクション |
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fulltext (662.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||
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公開日 | 2019-08-09 | |||||||||||||
タイトル | ||||||||||||||
言語 | en | |||||||||||||
タイトル | Culture-based analysis of fungi in leaves after the primary and secondary fermentation processes during Ishizuchi-kurocha production and lactate assimilation of P. kudriavzevii | |||||||||||||
言語 | ||||||||||||||
言語 | eng | |||||||||||||
キーワード | ||||||||||||||
言語 | en | |||||||||||||
主題Scheme | Other | |||||||||||||
主題 | Aspergillus section Nigri | |||||||||||||
キーワード | ||||||||||||||
言語 | en | |||||||||||||
主題Scheme | Other | |||||||||||||
主題 | cyb2A | |||||||||||||
キーワード | ||||||||||||||
言語 | en | |||||||||||||
主題Scheme | Other | |||||||||||||
主題 | Pichia kudriavzevii | |||||||||||||
キーワード | ||||||||||||||
言語 | en | |||||||||||||
主題Scheme | Other | |||||||||||||
主題 | Pichia manshurica | |||||||||||||
キーワード | ||||||||||||||
言語 | en | |||||||||||||
主題Scheme | Other | |||||||||||||
主題 | Post-fermented tea | |||||||||||||
資源タイプ | ||||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||
資源タイプ | journal article | |||||||||||||
著者 |
Yamamoto, Miyu
× Yamamoto, Miyu× Horie, Masanori× 福島, 道広
WEKO
21
× 豊留, 孝仁
WEKO
284
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抄録 | ||||||||||||||
内容記述タイプ | Abstract | |||||||||||||
内容記述 | Ishizuchi-kurocha is a Japanese traditional fermented tea that is produced by primary aerobic and secondary fermentation steps. The secondary fermentation step of Ishizuchi-kurocha is mainly mediated through lactic acid bacteria. Here, we performed quantitative analyses of the culturable fungal communities at each step and identified several morphologically representative fungal isolates. While filamentous fungi (median, 3.2 × 107 CFU/g sample) and yeasts (median, 3.7 × 107 CFU/g) were both detected after the primary fermentation step, only yeasts (median, 1.6 × 107 CFU/g) were detected in the end of the secondary fermentation step, suggesting that the fungal community in tea leaves are dramatically changed between the two steps. Pichia kudriavzevii and Pichia manshurica, the prevalent fungal species at the end of the secondary fermentation step, grew well in exudate from the secondary fermentation step. P. kudriavzevii also grew well in media containing D- or L-lactate as the sole carbon source. The growth of the disruptant of cyb2A encoding a cytochrome b2 lactate dehydrogenase in P. kudriavzevii was severely impaired on medium supplemented with L-lactate, but not D-lactate, suggesting that Cyb2Ap plays a crucial role in the use of L-lactate, and P. kudriavzevii efficiently uses both L- and D-lactate as carbon sources. Thus, lactate assimilation seems to be a key phenotype to become a prevalent species in the secondary fermentation step, and Cyb2Ap has a pivotal role in L-lactate metabolism in P. kudriavzevii. Further understanding and engineering of P. kudriavzevii and P. manshurica will contribute to the control of lactic acid bacteria fermentation during the fermented tea production and also to other industrial uses. © 2019 Elsevier B.V. | |||||||||||||
言語 | en | |||||||||||||
書誌情報 |
en : International Journal of Food Microbiology 巻 306, p. 108263, 発行日 2019-10 |
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出版者 | ||||||||||||||
言語 | en | |||||||||||||
出版者 | Elsevier | |||||||||||||
ISSN | ||||||||||||||
収録物識別子タイプ | PISSN | |||||||||||||
収録物識別子 | 01681605 | |||||||||||||
書誌レコードID | ||||||||||||||
収録物識別子タイプ | NCID | |||||||||||||
収録物識別子 | AA10455760 | |||||||||||||
DOI | ||||||||||||||
関連タイプ | isVersionOf | |||||||||||||
識別子タイプ | DOI | |||||||||||||
関連識別子 | info:doi/10.1016/j.ijfoodmicro.2019.108263 | |||||||||||||
フォーマット | ||||||||||||||
内容記述タイプ | Other | |||||||||||||
内容記述 | application/pdf | |||||||||||||
著者版フラグ | ||||||||||||||
出版タイプ | AM | |||||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||||
日本十進分類法 | ||||||||||||||
主題Scheme | NDC | |||||||||||||
主題 | 649 |