Metabolic Profile and Mycoherbicidal Activity of Three Alternaria alternata Isolates for the Control of Convolvulus arvensis, Sonchus oleraceus, and Xanthium strumarium

Alternaria alternata isolates C1, S1, and X3 were isolated respectively from the weeds Convolvulus arvensis, Sonchus oleraceus, and Xanthium strumarium in Algiers during 2016 and identified by morphological and molecular ana...

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Autores principales:	Nesma Abdessemed, Alessia Staropoli, Nadjia Zermane, Francesco Vinale
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	metabolomics mass spectrometry tenuazonicacid SMTP-7 Medicine R
Acceso en línea:	https://doaj.org/article/044093229f654e899fac94764b094aed
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spelling	oai:doaj.org-article:044093229f654e899fac94764b094aed2021-11-25T18:38:20ZMetabolic Profile and Mycoherbicidal Activity of Three <i>Alternaria alternata</i> Isolates for the Control of <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i>10.3390/pathogens101114482076-0817https://doaj.org/article/044093229f654e899fac94764b094aed2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-0817/10/11/1448https://doaj.org/toc/2076-0817<i>Alternaria alternata</i> isolates C1, S1, and X3 were isolated respectively from the weeds <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i> in Algiers during 2016 and identified by morphological and molecular analyses. The aim of this investigation was to chemically characterize the exometabolome of these fungi and to evaluate the myco-herbicidal potential of their culture filtrates, crude extracts, or fractions towards target weeds. Results revealed a great heterogeneity in the biochemical profiles of the exometabolome with the remarkable presence of two compounds: tenuazonic acid (TeA) and triprenyl phenol-7 (SMTP-7). To the best of our knowledge, SMTP-7—found in all the isolates—as well as 12-methoxycitromycin detected in the culture filtrate of isolate C1, have never been reported to be produced by <i>A. alternata</i>. Some fractions of isolates C1 and S1 showed symptoms (necrosis and chlorosis) on the detached leaves of <i>C. arvensis</i> and <i>S. oleraceus</i>, respectively with up to 100% phytotoxic effect at low concentration. In conclusion, biochemical characterization revealed great difference of C1, S1, and X3 exometabolome that is likely to explain the difference in their phytotoxic activity. Some fractions (d<sub>1</sub>, e<sub>1</sub>, h<sub>1</sub>, i<sub>1</sub>, a<sub>2</sub>, and f<sub>2</sub>) of isolates C1 and S1 of <i>A. alternata</i> caused severe necrosis and chlorosis on the injured detached leaves of <i>C. arvensis</i> and <i>S. oleraceus,</i> respectively.Nesma AbdessemedAlessia StaropoliNadjia ZermaneFrancesco VinaleMDPI AGarticlemetabolomicsmass spectrometrytenuazonicacidSMTP-7MedicineRENPathogens, Vol 10, Iss 1448, p 1448 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	metabolomics mass spectrometry tenuazonicacid SMTP-7 Medicine R
spellingShingle	metabolomics mass spectrometry tenuazonicacid SMTP-7 Medicine R Nesma Abdessemed Alessia Staropoli Nadjia Zermane Francesco Vinale Metabolic Profile and Mycoherbicidal Activity of Three <i>Alternaria alternata</i> Isolates for the Control of <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i>
description	<i>Alternaria alternata</i> isolates C1, S1, and X3 were isolated respectively from the weeds <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i> in Algiers during 2016 and identified by morphological and molecular analyses. The aim of this investigation was to chemically characterize the exometabolome of these fungi and to evaluate the myco-herbicidal potential of their culture filtrates, crude extracts, or fractions towards target weeds. Results revealed a great heterogeneity in the biochemical profiles of the exometabolome with the remarkable presence of two compounds: tenuazonic acid (TeA) and triprenyl phenol-7 (SMTP-7). To the best of our knowledge, SMTP-7—found in all the isolates—as well as 12-methoxycitromycin detected in the culture filtrate of isolate C1, have never been reported to be produced by <i>A. alternata</i>. Some fractions of isolates C1 and S1 showed symptoms (necrosis and chlorosis) on the detached leaves of <i>C. arvensis</i> and <i>S. oleraceus</i>, respectively with up to 100% phytotoxic effect at low concentration. In conclusion, biochemical characterization revealed great difference of C1, S1, and X3 exometabolome that is likely to explain the difference in their phytotoxic activity. Some fractions (d<sub>1</sub>, e<sub>1</sub>, h<sub>1</sub>, i<sub>1</sub>, a<sub>2</sub>, and f<sub>2</sub>) of isolates C1 and S1 of <i>A. alternata</i> caused severe necrosis and chlorosis on the injured detached leaves of <i>C. arvensis</i> and <i>S. oleraceus,</i> respectively.
format	article
author	Nesma Abdessemed Alessia Staropoli Nadjia Zermane Francesco Vinale
author_facet	Nesma Abdessemed Alessia Staropoli Nadjia Zermane Francesco Vinale
author_sort	Nesma Abdessemed
title	Metabolic Profile and Mycoherbicidal Activity of Three <i>Alternaria alternata</i> Isolates for the Control of <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i>
title_short	Metabolic Profile and Mycoherbicidal Activity of Three <i>Alternaria alternata</i> Isolates for the Control of <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i>
title_full	Metabolic Profile and Mycoherbicidal Activity of Three <i>Alternaria alternata</i> Isolates for the Control of <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i>
title_fullStr	Metabolic Profile and Mycoherbicidal Activity of Three <i>Alternaria alternata</i> Isolates for the Control of <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i>
title_full_unstemmed	Metabolic Profile and Mycoherbicidal Activity of Three <i>Alternaria alternata</i> Isolates for the Control of <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i>
title_sort	metabolic profile and mycoherbicidal activity of three <i>alternaria alternata</i> isolates for the control of <i>convolvulus arvensis</i>, <i>sonchus oleraceus</i>, and <i>xanthium strumarium</i>
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/044093229f654e899fac94764b094aed
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Metabolic Profile and Mycoherbicidal Activity of Three <i>Alternaria alternata</i> Isolates for the Control of <i>Convolvulus arvensis</i>, <i>Sonchus oleraceus</i>, and <i>Xanthium strumarium</i>

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