A phylogenetic revision of <i>Penicillium oblatum</i> and <i>P. sabulosum</i> as heat resistant molds

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  • 耐熱性カビ <i>Penicillium oblatum </i>および <i>P. sabulosum </i>に関する系統分類学的検証
  • 耐熱性カビPenicillium oblatumおよびP. sabulosumに関する系統分類学的検証
  • タイネツセイ カビ Penicillium oblatum オヨビ P. sabulosum ニ カンスル ケイトウ ブンルイガクテキ ケンショウ

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Abstract

<p>In the course of a mycological survey of spoilage of pasteurized and packaged food products, we have frequently encountered Penicillium-like molds in precooked Japanese noodle and pasta products. Six isolates from the noodles and pasta have morphological similarities to two heat-resistant fungi, i.e. P. oblatum and P. sabulosum, which have been isolated from pasteurized products in Australia and described as the indistinct Penicillia. In this paper, with a phylogenetic comparison of the ITS region of rRNA, β-tubulin, and calmodulin genes between the isolates and the type strains of both species, we considered it an opportunity to re-evaluate the taxonomy of P. oblatum and P. sabulosum. As a result, these fungi were regarded to be distinct members of the genus Rasamsonia, Eurotiales. Therefore, we proposed two combinations: Rasamsonia oblata (Pitt & Hocking) Yanai & Udagawa and R. sabulosa (Pitt & Hocking) Yanai & Udagawa.</p>

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