Dirhamnolipid Produced by the Pathogenic Fungus <i<Colletotrichum gloeosporioides</i< BWH-1 and Its Herbicidal Activity

Fungal phytotoxins used as ecofriendly bioherbicides are becoming efficient alternatives to chemical herbicides for sustainable weed management. Previous study found that cultures of the pathogenic fungus <i<Colletotrichum gloeosporioides</i< BWH-1 showed phytotoxic activity. This study...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Zhaolin Xu [verfasserIn] Mengying Shi [verfasserIn] Yongqing Tian [verfasserIn] Pengfei Zhao [verfasserIn] Yifang Niu [verfasserIn] Meide Liao [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	biopesticide bioherbicide phytotoxin rhamnolipid biosurfactant secondary metabolite synergy

Übergeordnetes Werk:	In: Molecules - MDPI AG, 2003, 24(2019), 16, p 2969
Übergeordnetes Werk:	volume:24 ; year:2019 ; number:16, p 2969

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/molecules24162969

Katalog-ID:	DOAJ045232326

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520			\|a Fungal phytotoxins used as ecofriendly bioherbicides are becoming efficient alternatives to chemical herbicides for sustainable weed management. Previous study found that cultures of the pathogenic fungus <i<Colletotrichum gloeosporioides</i< BWH-1 showed phytotoxic activity. This study further isolated the major phytotoxin from cultures of the strain BWH-1 using bioactivity-guided isolation, by puncturing its host plant for an activity test and analyzing on the HPLC-DAD-3D mode for a purity check. Then, the active and pure phytotoxin was characterized as a dirhamnolipid (Rha-Rha-C10-C10) using the NMR, ESIMS, IR and UV methods. The herbicidal activity of dirhamnolipid was evaluated by the inhibition rate on the primary root length and the fresh plant weight of nine test plants, and the synergistic effect when combining with commercial herbicides. Dirhamnolipid exhibited broad herbicidal activity against eight weed species with IC<sub<50</sub< values ranging from 28.91 to 217.71 mg L<sup<−1</sup< and no toxicity on <i<Oryza sativa</i<, and the herbicidal activity could be synergistically improved combining dirhamnolipid with commercial herbicides. Thus, dirhamnolipid that originated from <i<C. gloeosporioides</i< BWH-1 displayed the potential to be used as a bioherbicide alone, or as an adjuvant added into commercial herbicides, leading to a decrease in herbicides concentration and increased control efficiency.
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language	English
source	In Molecules 24(2019), 16, p 2969 volume:24 year:2019 number:16, p 2969
sourceStr	In Molecules 24(2019), 16, p 2969 volume:24 year:2019 number:16, p 2969
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topic_facet	biopesticide bioherbicide phytotoxin rhamnolipid biosurfactant <i<Colletotrichum</i< secondary metabolite synergy Organic chemistry
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container_title	Molecules
authorswithroles_txt_mv	Zhaolin Xu @@aut@@ Mengying Shi @@aut@@ Yongqing Tian @@aut@@ Pengfei Zhao @@aut@@ Yifang Niu @@aut@@ Meide Liao @@aut@@
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callnumber-first	Q - Science
author	Zhaolin Xu
spellingShingle	Zhaolin Xu misc QD241-441 misc biopesticide misc bioherbicide misc phytotoxin misc rhamnolipid misc biosurfactant misc <i<Colletotrichum</i< misc secondary metabolite misc synergy misc Organic chemistry Dirhamnolipid Produced by the Pathogenic Fungus <i<Colletotrichum gloeosporioides</i< BWH-1 and Its Herbicidal Activity
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topic_title	QD241-441 Dirhamnolipid Produced by the Pathogenic Fungus <i<Colletotrichum gloeosporioides</i< BWH-1 and Its Herbicidal Activity biopesticide bioherbicide phytotoxin rhamnolipid biosurfactant <i<Colletotrichum</i< secondary metabolite synergy
topic	misc QD241-441 misc biopesticide misc bioherbicide misc phytotoxin misc rhamnolipid misc biosurfactant misc <i<Colletotrichum</i< misc secondary metabolite misc synergy misc Organic chemistry
topic_unstemmed	misc QD241-441 misc biopesticide misc bioherbicide misc phytotoxin misc rhamnolipid misc biosurfactant misc <i<Colletotrichum</i< misc secondary metabolite misc synergy misc Organic chemistry
topic_browse	misc QD241-441 misc biopesticide misc bioherbicide misc phytotoxin misc rhamnolipid misc biosurfactant misc <i<Colletotrichum</i< misc secondary metabolite misc synergy misc Organic chemistry
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title	Dirhamnolipid Produced by the Pathogenic Fungus <i<Colletotrichum gloeosporioides</i< BWH-1 and Its Herbicidal Activity
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title_full	Dirhamnolipid Produced by the Pathogenic Fungus <i<Colletotrichum gloeosporioides</i< BWH-1 and Its Herbicidal Activity
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author_browse	Zhaolin Xu Mengying Shi Yongqing Tian Pengfei Zhao Yifang Niu Meide Liao
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title_sort	dirhamnolipid produced by the pathogenic fungus <i<colletotrichum gloeosporioides</i< bwh-1 and its herbicidal activity
callnumber	QD241-441
title_auth	Dirhamnolipid Produced by the Pathogenic Fungus <i<Colletotrichum gloeosporioides</i< BWH-1 and Its Herbicidal Activity
abstract	Fungal phytotoxins used as ecofriendly bioherbicides are becoming efficient alternatives to chemical herbicides for sustainable weed management. Previous study found that cultures of the pathogenic fungus <i<Colletotrichum gloeosporioides</i< BWH-1 showed phytotoxic activity. This study further isolated the major phytotoxin from cultures of the strain BWH-1 using bioactivity-guided isolation, by puncturing its host plant for an activity test and analyzing on the HPLC-DAD-3D mode for a purity check. Then, the active and pure phytotoxin was characterized as a dirhamnolipid (Rha-Rha-C10-C10) using the NMR, ESIMS, IR and UV methods. The herbicidal activity of dirhamnolipid was evaluated by the inhibition rate on the primary root length and the fresh plant weight of nine test plants, and the synergistic effect when combining with commercial herbicides. Dirhamnolipid exhibited broad herbicidal activity against eight weed species with IC<sub<50</sub< values ranging from 28.91 to 217.71 mg L<sup<−1</sup< and no toxicity on <i<Oryza sativa</i<, and the herbicidal activity could be synergistically improved combining dirhamnolipid with commercial herbicides. Thus, dirhamnolipid that originated from <i<C. gloeosporioides</i< BWH-1 displayed the potential to be used as a bioherbicide alone, or as an adjuvant added into commercial herbicides, leading to a decrease in herbicides concentration and increased control efficiency.
abstractGer	Fungal phytotoxins used as ecofriendly bioherbicides are becoming efficient alternatives to chemical herbicides for sustainable weed management. Previous study found that cultures of the pathogenic fungus <i<Colletotrichum gloeosporioides</i< BWH-1 showed phytotoxic activity. This study further isolated the major phytotoxin from cultures of the strain BWH-1 using bioactivity-guided isolation, by puncturing its host plant for an activity test and analyzing on the HPLC-DAD-3D mode for a purity check. Then, the active and pure phytotoxin was characterized as a dirhamnolipid (Rha-Rha-C10-C10) using the NMR, ESIMS, IR and UV methods. The herbicidal activity of dirhamnolipid was evaluated by the inhibition rate on the primary root length and the fresh plant weight of nine test plants, and the synergistic effect when combining with commercial herbicides. Dirhamnolipid exhibited broad herbicidal activity against eight weed species with IC<sub<50</sub< values ranging from 28.91 to 217.71 mg L<sup<−1</sup< and no toxicity on <i<Oryza sativa</i<, and the herbicidal activity could be synergistically improved combining dirhamnolipid with commercial herbicides. Thus, dirhamnolipid that originated from <i<C. gloeosporioides</i< BWH-1 displayed the potential to be used as a bioherbicide alone, or as an adjuvant added into commercial herbicides, leading to a decrease in herbicides concentration and increased control efficiency.
abstract_unstemmed	Fungal phytotoxins used as ecofriendly bioherbicides are becoming efficient alternatives to chemical herbicides for sustainable weed management. Previous study found that cultures of the pathogenic fungus <i<Colletotrichum gloeosporioides</i< BWH-1 showed phytotoxic activity. This study further isolated the major phytotoxin from cultures of the strain BWH-1 using bioactivity-guided isolation, by puncturing its host plant for an activity test and analyzing on the HPLC-DAD-3D mode for a purity check. Then, the active and pure phytotoxin was characterized as a dirhamnolipid (Rha-Rha-C10-C10) using the NMR, ESIMS, IR and UV methods. The herbicidal activity of dirhamnolipid was evaluated by the inhibition rate on the primary root length and the fresh plant weight of nine test plants, and the synergistic effect when combining with commercial herbicides. Dirhamnolipid exhibited broad herbicidal activity against eight weed species with IC<sub<50</sub< values ranging from 28.91 to 217.71 mg L<sup<−1</sup< and no toxicity on <i<Oryza sativa</i<, and the herbicidal activity could be synergistically improved combining dirhamnolipid with commercial herbicides. Thus, dirhamnolipid that originated from <i<C. gloeosporioides</i< BWH-1 displayed the potential to be used as a bioherbicide alone, or as an adjuvant added into commercial herbicides, leading to a decrease in herbicides concentration and increased control efficiency.
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container_issue	16, p 2969
title_short	Dirhamnolipid Produced by the Pathogenic Fungus <i<Colletotrichum gloeosporioides</i< BWH-1 and Its Herbicidal Activity
url	https://doi.org/10.3390/molecules24162969 https://doaj.org/article/5f99fb8d569f4f7d9a2912652abc8eb9 https://www.mdpi.com/1420-3049/24/16/2969 https://doaj.org/toc/1420-3049
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Previous study found that cultures of the pathogenic fungus <i<Colletotrichum gloeosporioides</i< BWH-1 showed phytotoxic activity. This study further isolated the major phytotoxin from cultures of the strain BWH-1 using bioactivity-guided isolation, by puncturing its host plant for an activity test and analyzing on the HPLC-DAD-3D mode for a purity check. Then, the active and pure phytotoxin was characterized as a dirhamnolipid (Rha-Rha-C10-C10) using the NMR, ESIMS, IR and UV methods. The herbicidal activity of dirhamnolipid was evaluated by the inhibition rate on the primary root length and the fresh plant weight of nine test plants, and the synergistic effect when combining with commercial herbicides. Dirhamnolipid exhibited broad herbicidal activity against eight weed species with IC<sub<50</sub< values ranging from 28.91 to 217.71 mg L<sup<−1</sup< and no toxicity on <i<Oryza sativa</i<, and the herbicidal activity could be synergistically improved combining dirhamnolipid with commercial herbicides. 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Dirhamnolipid Produced by the Pathogenic Fungus <i<Colletotrichum gloeosporioides</i< BWH-1 and Its Herbicidal Activity

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