Synthesis and extraction routes of allelochemicals from plants and microbes: A review

Allelopathy, a complex phenomenon has unveiled both stimulatory and inhibitory effects in plant processes that are mediated by the release of certain chemical compounds commonly known as allelochemicals. Allelochemicals, a form of bioactive secondary metabolites are produced by a diverse group of pl...

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Main Authors: Singh Apurva Anand, Rajeswari Gunasekaran, Nirmal Louis Anto, Jacob Samuel
Format: Article
Language:English
Published: De Gruyter 2021-09-01
Series:Reviews in Analytical Chemistry
Subjects:
Online Access:https://doi.org/10.1515/revac-2021-0139
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author Singh Apurva Anand
Rajeswari Gunasekaran
Nirmal Louis Anto
Jacob Samuel
author_facet Singh Apurva Anand
Rajeswari Gunasekaran
Nirmal Louis Anto
Jacob Samuel
author_sort Singh Apurva Anand
collection DOAJ
description Allelopathy, a complex phenomenon has unveiled both stimulatory and inhibitory effects in plant processes that are mediated by the release of certain chemical compounds commonly known as allelochemicals. Allelochemicals, a form of bioactive secondary metabolites are produced by a diverse group of plants and microbes in response to biotic and abiotic stress. It ranges from a simple hydrocarbon to complex polycyclic aromatic compounds like phenol, flavonoids, tannins, steroids, amino acids, alkaloids and quinones. These plant bioactive compounds are released into the environment via decomposition, exudation, leaching and volatilization that play a significant role in regulating the intra-specific or inter-specific relations with counterparts. A wide variety of methods has been proposed for analyzing the basic mechanism and overall effect of allelochemicals. However, the lack of a reliable and effective method to identify their molecular mode of action and their modulation in the metabolic pathway still remains as a great challenge. From a commercial perspective, these allelochemicals are deemed to be better candidates for green natural herbicides and weedicides that are proven to be environment friendly, unlike synthetic chemicals. In order to pave a way for the economic viability of these chemicals, a basic understanding of their chemistry is inevitable. This review article is focused to give an in-depth understanding of metabolic pathways genes responsible for the elicitation/secretion and the adoption of a suitable downstream process and analytical techniques that can intensify the process.
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spelling doaj.art-01c0b176a4334a548622be75510b3d3d2022-12-21T19:44:42ZengDe GruyterReviews in Analytical Chemistry2191-01892021-09-0140129331110.1515/revac-2021-0139Synthesis and extraction routes of allelochemicals from plants and microbes: A reviewSingh Apurva Anand0Rajeswari Gunasekaran1Nirmal Louis Anto2Jacob Samuel3Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur 603203, Chengalpattu Dist., Tamil Nadu, IndiaDepartment of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur 603203, Chengalpattu Dist., Tamil Nadu, IndiaDepartment of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur 603203, Chengalpattu Dist., Tamil Nadu, IndiaDepartment of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur 603203, Chengalpattu Dist., Tamil Nadu, IndiaAllelopathy, a complex phenomenon has unveiled both stimulatory and inhibitory effects in plant processes that are mediated by the release of certain chemical compounds commonly known as allelochemicals. Allelochemicals, a form of bioactive secondary metabolites are produced by a diverse group of plants and microbes in response to biotic and abiotic stress. It ranges from a simple hydrocarbon to complex polycyclic aromatic compounds like phenol, flavonoids, tannins, steroids, amino acids, alkaloids and quinones. These plant bioactive compounds are released into the environment via decomposition, exudation, leaching and volatilization that play a significant role in regulating the intra-specific or inter-specific relations with counterparts. A wide variety of methods has been proposed for analyzing the basic mechanism and overall effect of allelochemicals. However, the lack of a reliable and effective method to identify their molecular mode of action and their modulation in the metabolic pathway still remains as a great challenge. From a commercial perspective, these allelochemicals are deemed to be better candidates for green natural herbicides and weedicides that are proven to be environment friendly, unlike synthetic chemicals. In order to pave a way for the economic viability of these chemicals, a basic understanding of their chemistry is inevitable. This review article is focused to give an in-depth understanding of metabolic pathways genes responsible for the elicitation/secretion and the adoption of a suitable downstream process and analytical techniques that can intensify the process.https://doi.org/10.1515/revac-2021-0139allelochemicalsallelopathysecondary metabolitesdefense mechanismextractiondownstream processing
spellingShingle Singh Apurva Anand
Rajeswari Gunasekaran
Nirmal Louis Anto
Jacob Samuel
Synthesis and extraction routes of allelochemicals from plants and microbes: A review
Reviews in Analytical Chemistry
allelochemicals
allelopathy
secondary metabolites
defense mechanism
extraction
downstream processing
title Synthesis and extraction routes of allelochemicals from plants and microbes: A review
title_full Synthesis and extraction routes of allelochemicals from plants and microbes: A review
title_fullStr Synthesis and extraction routes of allelochemicals from plants and microbes: A review
title_full_unstemmed Synthesis and extraction routes of allelochemicals from plants and microbes: A review
title_short Synthesis and extraction routes of allelochemicals from plants and microbes: A review
title_sort synthesis and extraction routes of allelochemicals from plants and microbes a review
topic allelochemicals
allelopathy
secondary metabolites
defense mechanism
extraction
downstream processing
url https://doi.org/10.1515/revac-2021-0139
work_keys_str_mv AT singhapurvaanand synthesisandextractionroutesofallelochemicalsfromplantsandmicrobesareview
AT rajeswarigunasekaran synthesisandextractionroutesofallelochemicalsfromplantsandmicrobesareview
AT nirmallouisanto synthesisandextractionroutesofallelochemicalsfromplantsandmicrobesareview
AT jacobsamuel synthesisandextractionroutesofallelochemicalsfromplantsandmicrobesareview