Isolation and Identification of Mushroom Pathogens from Agrocybe aegerita.

Mycobiology

Jeollabuk-do Agricultural Research and Extension Services, Iksan 570-704, Korea.

Published: December 2010

Agrocybe aegerita is an important mushroom cultivated in Korea, with good feel and a peculiar fragrance. A. aegerita can be cultivated throughout the year using culture bottles but is more susceptible to contamination than other mushrooms. Twenty-two pathogens were isolated from the fruiting bodies and compost of A. aegerita, and seven isolates were isolated from Pleurotus ostreatus to compare with the A. aegerita isolates, collected from Gimje, Iksan, Gunsan of Chonbuk, and Chilgok of Gyeongbuk Province in 2009. These isolates were identified based on morphological and molecular characteristics. Of the 29 isolates, 26 were identified as Trichoderma spp. and the remaining three were Aspergillus spp., Mucor spp., and Penicillium spp. A phylogenetic analysis revealed that the 26 isolates of Trichoderma were divided into four taxa, namely T. harzianum, T. pleuroticola, T. longibrachiatum, and T. atroviride. Among the Trichoderma spp., 16 isolates (55.2%) were identified as T. harzianum, six as T. pleuroticola (20.7%), two as T. longibrachiatum, and the remaining two were T. atroviride.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3741524PMC
http://dx.doi.org/10.4489/MYCO.2010.38.4.310DOI Listing

Publication Analysis

Top Keywords

agrocybe aegerita
8
aegerita isolates
8
isolates identified
8
trichoderma spp
8
harzianum pleuroticola
8
isolates
6
aegerita
5
spp
5
isolation identification
4
identification mushroom
4

Similar Publications

Blending polysaccharides from three edible mushrooms represents a promising approach for augmenting their anti-oxidant and anti-fatigue activities.

Int J Biol Macromol

January 2025

College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Integrated Scientific Research Base of Edible Fungi Processing and Comprehensive Utilization Technology (Ministry of Agriculture and Rural Affairs), Fuzhou 350002, China. Electronic address:

It has been well documented that a number of polysaccharides with potent free-radical scavenging capability possess notable anti-fatigue activity. Interestingly, recent evidence also suggested mixed polysaccharides derived from multiple sources may yield augmented bioactivities compared to the polysaccharides from a single source. Therefore, in the current study, we investigated the anti-oxidant and anti-fatigue activities of a blend of polysaccharides isolated from three mushrooms.

View Article and Find Full Text PDF

This study investigates the functional and biological activities of a polysaccharide-polyphenolic complex derived from the edible mushroom Agrocybe aegerita. Polyphenols were extracted using a modified solvent evaporation technique, and polysaccharides (AMP) were extracted using enzyme-assisted methods, yielding 8.02 %.

View Article and Find Full Text PDF

Glycosylation patterns represent an important signature of cancer cells that can be decoded by glycan-binding proteins, i.e., lectins.

View Article and Find Full Text PDF

Unspecific peroxygenases (UPOs) catalyze the selective oxygenation of organic substrates using only hydrogen peroxide as the external oxidant. The PaDa-I variant of the UPO from Agrocybe aegerita catalyses the oxidation of Z- and E-allylic alcohols with complementary selectivity, giving epoxide and carboxylic acid/aldehyde products respectively. Both reactions can be performed on preparative scale with isolated yields up to 80 %, and the epoxidations proceed with excellent enantioselectivity (>99 % ee).

View Article and Find Full Text PDF

Formation of key aroma compounds in Agrocybe aegerita during hot air drying: Amino acids and reducing sugars identified as flavor precursors.

Food Chem

February 2025

Beijing Engineering and Technology Research Center of Food Additives, Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China. Electronic address:

Article Synopsis
  • - The study explores the aroma properties and important aroma-active compounds in fresh and dried Agrocybe aegerita mushrooms, highlighting how hot air drying (HAD) enhances flavors like nutty, roasted, smoky, and meaty.
  • - The transformation of key aroma compounds from raw mushrooms to dried versions occurs due to the shift from aldehydes and ketones to heterocyclic and sulfur-containing compounds during HAD.
  • - Findings indicate that the Maillard reaction between methionine and ribose is crucial in creating "meaty" aromas, positioning A. aegerita as a potential novel meat flavor condiment.
View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!