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Alternaria alternata (Fries) Keissler is a lethal pear pathogen that causes leaf black spot disease of pear in Southern China. Heat-stable activity factor (HSAF) is a polycyclic tetramate macrolactam (PTM) produced by Lysobacter enzymogenes and many other microbes with a broad-spectrum antifungal
A novel chitinase from the 'Baozhu' pear was found, purified, and characterized in this report. This chitinase was a monomer with a molecular mass of 28.9 kDa. Results of the internal peptide sequence analyses classify this chitinase as a class III chitinase. In the enzymatic hydrolytic assay, this
Pyrus ussuriensis Maxim, a pear commonly known as "Sandolbae" in Korea, is used as a traditional herbal medicine for asthma, cough, and fever in Korea, China, and Japan. P. ussuriensis Maxim leaves (PUL) have therapeutic effects on atopic dermatitis (AD). However, there are
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Pyrus ussuriensis Maxim. has been reported to treat the fever, cough, asthma, and chronic skin disease in Korean Medicine. However, there is no scientific evidence for the use of Pyrus ussuriensis Maxim. Leaves (PUL) extract or its mechanism of action in atopic dermatitis (AD). This study
Scab, caused by Venturia nashicola is one of the most serious diseases of Asian pears including Japanese pear (Pyrus pyrifolia var. culta) and Chinese pears (P. bretschneideri and P. ussuriensis). Breeding of scab-resistant pear cultivars is essential to minimize the use of fungicides and the risk