Possible Roles of Rhizospheric and Endophytic Microbes to Provide a Safe and Affordable Means of Crop Biofortification

Biofortification has been used to improve micronutrient contents in crops for human consumption. In under-developed regions, it is important to fortify crops so that people can obtain essential micronutrients despite the limited variety in their diets. In wealthy societies, fortified crops are regar...

Full description

Bibliographic Details
Main Authors: Yee-Shan Ku, Hafiz Mamoon Rehman, Hon-Ming Lam
Format: Article
Language:English
Published: MDPI AG 2019-11-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/9/11/764
_version_ 1818560267355684864
author Yee-Shan Ku
Hafiz Mamoon Rehman
Hon-Ming Lam
author_facet Yee-Shan Ku
Hafiz Mamoon Rehman
Hon-Ming Lam
author_sort Yee-Shan Ku
collection DOAJ
description Biofortification has been used to improve micronutrient contents in crops for human consumption. In under-developed regions, it is important to fortify crops so that people can obtain essential micronutrients despite the limited variety in their diets. In wealthy societies, fortified crops are regarded as a “greener” choice for health supplements. Biofortification is also used in crops to boost the contents of other non-essential secondary metabolites which are considered beneficial to human health. Breeding of elite germplasms and metabolic engineering are common approaches to fortifying crops. However, the time required for breeding and the acceptance of genetically modified crops by the public have presented significant hurdles. As an alternative approach, microbe-mediated biofortification has not received the attention it deserves, despite having great potential. It has been reported that the inoculation of soil or crops with rhizospheric or endophytic microbes, respectively, can enhance the micronutrient contents in various plant tissues including roots, leaves and fruits. In this review, we highlight the applications of microbes as a sustainable and cost-effective alternative for biofortification by improving the mineral, vitamin, and beneficial secondary metabolite contents in crops through naturally occurring processes. In addition, the complex plant−microbe interactions involved in biofortification are also addressed.
first_indexed 2024-12-14T00:36:18Z
format Article
id doaj.art-4e8fd7fe6bc141feaba5aa1c0393dadf
institution Directory Open Access Journal
issn 2073-4395
language English
last_indexed 2024-12-14T00:36:18Z
publishDate 2019-11-01
publisher MDPI AG
record_format Article
series Agronomy
spelling doaj.art-4e8fd7fe6bc141feaba5aa1c0393dadf2022-12-21T23:24:37ZengMDPI AGAgronomy2073-43952019-11-0191176410.3390/agronomy9110764agronomy9110764Possible Roles of Rhizospheric and Endophytic Microbes to Provide a Safe and Affordable Means of Crop BiofortificationYee-Shan Ku0Hafiz Mamoon Rehman1Hon-Ming Lam2Centre for Soybean Research of the State Key Laboratory of Agrobiotechnology and School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaCentre for Soybean Research of the State Key Laboratory of Agrobiotechnology and School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaCentre for Soybean Research of the State Key Laboratory of Agrobiotechnology and School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaBiofortification has been used to improve micronutrient contents in crops for human consumption. In under-developed regions, it is important to fortify crops so that people can obtain essential micronutrients despite the limited variety in their diets. In wealthy societies, fortified crops are regarded as a “greener” choice for health supplements. Biofortification is also used in crops to boost the contents of other non-essential secondary metabolites which are considered beneficial to human health. Breeding of elite germplasms and metabolic engineering are common approaches to fortifying crops. However, the time required for breeding and the acceptance of genetically modified crops by the public have presented significant hurdles. As an alternative approach, microbe-mediated biofortification has not received the attention it deserves, despite having great potential. It has been reported that the inoculation of soil or crops with rhizospheric or endophytic microbes, respectively, can enhance the micronutrient contents in various plant tissues including roots, leaves and fruits. In this review, we highlight the applications of microbes as a sustainable and cost-effective alternative for biofortification by improving the mineral, vitamin, and beneficial secondary metabolite contents in crops through naturally occurring processes. In addition, the complex plant−microbe interactions involved in biofortification are also addressed.https://www.mdpi.com/2073-4395/9/11/764biofortificationplant growth-promoting bacteriaendophytesarbuscular mycorrhizal fungisustainable agricultureplant–microbe interaction
spellingShingle Yee-Shan Ku
Hafiz Mamoon Rehman
Hon-Ming Lam
Possible Roles of Rhizospheric and Endophytic Microbes to Provide a Safe and Affordable Means of Crop Biofortification
Agronomy
biofortification
plant growth-promoting bacteria
endophytes
arbuscular mycorrhizal fungi
sustainable agriculture
plant–microbe interaction
title Possible Roles of Rhizospheric and Endophytic Microbes to Provide a Safe and Affordable Means of Crop Biofortification
title_full Possible Roles of Rhizospheric and Endophytic Microbes to Provide a Safe and Affordable Means of Crop Biofortification
title_fullStr Possible Roles of Rhizospheric and Endophytic Microbes to Provide a Safe and Affordable Means of Crop Biofortification
title_full_unstemmed Possible Roles of Rhizospheric and Endophytic Microbes to Provide a Safe and Affordable Means of Crop Biofortification
title_short Possible Roles of Rhizospheric and Endophytic Microbes to Provide a Safe and Affordable Means of Crop Biofortification
title_sort possible roles of rhizospheric and endophytic microbes to provide a safe and affordable means of crop biofortification
topic biofortification
plant growth-promoting bacteria
endophytes
arbuscular mycorrhizal fungi
sustainable agriculture
plant–microbe interaction
url https://www.mdpi.com/2073-4395/9/11/764
work_keys_str_mv AT yeeshanku possiblerolesofrhizosphericandendophyticmicrobestoprovideasafeandaffordablemeansofcropbiofortification
AT hafizmamoonrehman possiblerolesofrhizosphericandendophyticmicrobestoprovideasafeandaffordablemeansofcropbiofortification
AT honminglam possiblerolesofrhizosphericandendophyticmicrobestoprovideasafeandaffordablemeansofcropbiofortification