Disease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents

Abstract The phylloplane yeast Pseudozyma antarctica secretes an esterase, named PaE, and xylanase when cultivated with xylose. We previously observed that the lipophilic layer of Micro-Tom tomato leaves became thinner after the culture filtrate treatment. The leaves developed reduced water-holding...

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Autores principales:	Hirokazu Ueda, Daisuke Kurose, Soichi Kugimiya, Ichiro Mitsuhara, Shigenobu Yoshida, Jun Tabata, Ken Suzuki, Hiroko Kitamoto
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Pseudozyma Cinerea Spores Lipophilic Layer Puccinia Phylloplane Yeasts Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d0fc195f9aed4464a4ba289649a3e6a6
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spelling	oai:doaj.org-article:d0fc195f9aed4464a4ba289649a3e6a62021-12-02T15:08:13ZDisease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents10.1038/s41598-018-34705-z2045-2322https://doaj.org/article/d0fc195f9aed4464a4ba289649a3e6a62018-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-34705-zhttps://doaj.org/toc/2045-2322Abstract The phylloplane yeast Pseudozyma antarctica secretes an esterase, named PaE, and xylanase when cultivated with xylose. We previously observed that the lipophilic layer of Micro-Tom tomato leaves became thinner after the culture filtrate treatment. The leaves developed reduced water-holding ability and became wilted. In this study, the purified enzymes were spotted on Micro-Tom leaves. PaE, but not xylanase, thinned the lipophilic layer of leaves and decreased leaf resistance to the phytopathogenic fungus Botrytis cinerea. Disease severity increased significantly in detached leaves and potted plants treated with the culture filtrate and B. cinerea spores compared with those treated with inactivated enzyme and B. cinerea alone. Spore germination ratios, numbers of penetrating fungal hyphae in the leaves, and fungal DNA contents also increased significantly on the detached leaves. Japanese knotweed (Fallopia japonica), a serious invasive alien weed in Europe and North America, also became susceptible to infection by the rust pathogen Puccinia polygoni-amphibii var. tovariae following the culture filtrate treatment. The culture filtrate treatment increased disease development in plants induced by both phytopathogenic fungi. Our results suggest that P. antarctica culture filtrate could be used as an adjuvant for sustainable biological weed control using phytopathogenic fungi.Hirokazu UedaDaisuke KuroseSoichi KugimiyaIchiro MitsuharaShigenobu YoshidaJun TabataKen SuzukiHiroko KitamotoNature PortfolioarticlePseudozymaCinerea SporesLipophilic LayerPucciniaPhylloplane YeastsMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-12 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Pseudozyma Cinerea Spores Lipophilic Layer Puccinia Phylloplane Yeasts Medicine R Science Q
spellingShingle	Pseudozyma Cinerea Spores Lipophilic Layer Puccinia Phylloplane Yeasts Medicine R Science Q Hirokazu Ueda Daisuke Kurose Soichi Kugimiya Ichiro Mitsuhara Shigenobu Yoshida Jun Tabata Ken Suzuki Hiroko Kitamoto Disease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents
description	Abstract The phylloplane yeast Pseudozyma antarctica secretes an esterase, named PaE, and xylanase when cultivated with xylose. We previously observed that the lipophilic layer of Micro-Tom tomato leaves became thinner after the culture filtrate treatment. The leaves developed reduced water-holding ability and became wilted. In this study, the purified enzymes were spotted on Micro-Tom leaves. PaE, but not xylanase, thinned the lipophilic layer of leaves and decreased leaf resistance to the phytopathogenic fungus Botrytis cinerea. Disease severity increased significantly in detached leaves and potted plants treated with the culture filtrate and B. cinerea spores compared with those treated with inactivated enzyme and B. cinerea alone. Spore germination ratios, numbers of penetrating fungal hyphae in the leaves, and fungal DNA contents also increased significantly on the detached leaves. Japanese knotweed (Fallopia japonica), a serious invasive alien weed in Europe and North America, also became susceptible to infection by the rust pathogen Puccinia polygoni-amphibii var. tovariae following the culture filtrate treatment. The culture filtrate treatment increased disease development in plants induced by both phytopathogenic fungi. Our results suggest that P. antarctica culture filtrate could be used as an adjuvant for sustainable biological weed control using phytopathogenic fungi.
format	article
author	Hirokazu Ueda Daisuke Kurose Soichi Kugimiya Ichiro Mitsuhara Shigenobu Yoshida Jun Tabata Ken Suzuki Hiroko Kitamoto
author_facet	Hirokazu Ueda Daisuke Kurose Soichi Kugimiya Ichiro Mitsuhara Shigenobu Yoshida Jun Tabata Ken Suzuki Hiroko Kitamoto
author_sort	Hirokazu Ueda
title	Disease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents
title_short	Disease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents
title_full	Disease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents
title_fullStr	Disease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents
title_full_unstemmed	Disease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents
title_sort	disease severity enhancement by an esterase from non-phytopathogenic yeast pseudozyma antarctica and its potential as adjuvant for biocontrol agents
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/d0fc195f9aed4464a4ba289649a3e6a6
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Disease severity enhancement by an esterase from non-phytopathogenic yeast Pseudozyma antarctica and its potential as adjuvant for biocontrol agents

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