Mycobiology.  2020 Dec;48(6):431-442. 10.1080/12298093.2020.1823611.

Penicillium from Rhizosphere Soil in Terrestrial and Coastal Environments in South Korea

Affiliations
  • 1School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul, Republic of Korea
  • 2Microorganism Resources Division, National Institute of Biological Resources, Incheon, Republic of Korea

Abstract

Penicillium, the most common genus plays an important ecological role in various terrestrial and marine environments. However, only a few species have been reported from rhizosphere soil. As part of a project to excavate Korean indigenous fungi, we investigated rhizosphere soil of six plants in the forest (terrestrial habitat) and sand dunes (coastal habitat) and focused on discovering Penicillium species. A total of 64 strains were isolated and identified as 26 Penicillium species in nine sections based on morphological characteristics and the sequence analysis of b-tubulin and calmodulin. Although this is a small-scale study in a limited rhizosphere soil, eight unrecorded species and four potential new species have been identified. In addition, most Penicillium species from rhizosphere soil were unique to each plant. Penicillium halotolerans, P. scabrosum, P. samsonianum, P. jejuense, and P. janczewskii were commonly isolated from rhizosphere soil. Eight Penicillium species, P. aurantioviolaceum, P. bissettii, P. cairnsense, P. halotolerans, P. kananaskense, P. ortum, P. radiatolobatum, and P. verhagenii were recorded for the first time in Korea. Here, we provide the detailed morphological description of these unrecorded species.

Keyword

BenA; CaM; morphology; new records; phylogeny
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