Novel approaches to circumvent the devastating effects of pests on sugarcane

Abstract Sugarcane (Saccharum officinarum L.) is a cash crop grown commercially for its higher amounts of sucrose, stored within the mature internodes of the stem. Numerous studies have been done for the resistance development against biotic and abiotic stresses to save the sucrose yields. Quality a...

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Autores principales: Zahida Qamar, Idrees Ahmad Nasir, Mounir G. Abouhaidar, Kathleen L. Hefferon, Abdul Qayyum Rao, Ayesha Latif, Qurban Ali, Saima Anwar, Bushra Rashid, Ahmad Ali Shahid
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Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/3b7316ad4c7b4347ab7af880b3ef4f69
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spelling oai:doaj.org-article:3b7316ad4c7b4347ab7af880b3ef4f692021-12-02T17:40:48ZNovel approaches to circumvent the devastating effects of pests on sugarcane10.1038/s41598-021-91985-82045-2322https://doaj.org/article/3b7316ad4c7b4347ab7af880b3ef4f692021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91985-8https://doaj.org/toc/2045-2322Abstract Sugarcane (Saccharum officinarum L.) is a cash crop grown commercially for its higher amounts of sucrose, stored within the mature internodes of the stem. Numerous studies have been done for the resistance development against biotic and abiotic stresses to save the sucrose yields. Quality and yield of sugarcane production is always threatened by the damages of cane borers and weeds. In current study two problems were better addressed through the genetic modification of sugarcane for provision of resistance against insects and weedicide via the expression of two modified cane borer resistant CEMB-Cry1Ac (1.8 kb), CEMB-Cry2A (1.9 kb) and one glyphosate tolerant CEMB-GTGene (1.4 kb) genes, driven by maize Ubiquitin Promoter and nos terminator. Insect Bio-toxicity assays were carried out for the assessment of Cry proteins through mortality percent of shoot borer Chilo infuscatellus at 2nd instar larvae stage. During V0, V1 and V2 generations young leaves from the transgenic sugarcane plants were collected at plant age of 20, 40, 60, 80 days and fed to the Chilo infuscatellus larvae. Up to 100% mortality of Chilo infuscatellus from 80 days old transgenic plants of V2 generation indicated that these transgenic plants were highly resistant against shoot borer and the gene expression level is sufficient to provide complete resistance against target pests. Glyphosate spray assay was carried out for complete removal of weeds. In V1-generation, 70–76% transgenic sugarcane plants were found tolerant against glyphosate spray (3000 mL/ha) under field conditions. While in V2-generation, the replicates of five selected lines 4L/2, 5L/5, 6L/5, L8/4, and L9/6 were found 100% tolerant against 3000 mL/ha glyphosate spray. It is evident from current study that CEMB-GTGene, CEMB-Cry1Ac and CEMB-Cry2A genes expression in sugarcane variety CPF-246 showed an efficient resistance against cane borers (Chilo infuscatellus) and was also highly tolerant against glyphosate spray. The selected transgenic sugarcane lines showed sustainable resistance against cane borer and glyphosate spray can be further exploited at farmer’s field level after fulfilling the biosafety requirements to boost the sugarcane production in the country.Zahida QamarIdrees Ahmad NasirMounir G. AbouhaidarKathleen L. HefferonAbdul Qayyum RaoAyesha LatifQurban AliSaima AnwarBushra RashidAhmad Ali ShahidNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-25 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Zahida Qamar
Idrees Ahmad Nasir
Mounir G. Abouhaidar
Kathleen L. Hefferon
Abdul Qayyum Rao
Ayesha Latif
Qurban Ali
Saima Anwar
Bushra Rashid
Ahmad Ali Shahid
Novel approaches to circumvent the devastating effects of pests on sugarcane
description Abstract Sugarcane (Saccharum officinarum L.) is a cash crop grown commercially for its higher amounts of sucrose, stored within the mature internodes of the stem. Numerous studies have been done for the resistance development against biotic and abiotic stresses to save the sucrose yields. Quality and yield of sugarcane production is always threatened by the damages of cane borers and weeds. In current study two problems were better addressed through the genetic modification of sugarcane for provision of resistance against insects and weedicide via the expression of two modified cane borer resistant CEMB-Cry1Ac (1.8 kb), CEMB-Cry2A (1.9 kb) and one glyphosate tolerant CEMB-GTGene (1.4 kb) genes, driven by maize Ubiquitin Promoter and nos terminator. Insect Bio-toxicity assays were carried out for the assessment of Cry proteins through mortality percent of shoot borer Chilo infuscatellus at 2nd instar larvae stage. During V0, V1 and V2 generations young leaves from the transgenic sugarcane plants were collected at plant age of 20, 40, 60, 80 days and fed to the Chilo infuscatellus larvae. Up to 100% mortality of Chilo infuscatellus from 80 days old transgenic plants of V2 generation indicated that these transgenic plants were highly resistant against shoot borer and the gene expression level is sufficient to provide complete resistance against target pests. Glyphosate spray assay was carried out for complete removal of weeds. In V1-generation, 70–76% transgenic sugarcane plants were found tolerant against glyphosate spray (3000 mL/ha) under field conditions. While in V2-generation, the replicates of five selected lines 4L/2, 5L/5, 6L/5, L8/4, and L9/6 were found 100% tolerant against 3000 mL/ha glyphosate spray. It is evident from current study that CEMB-GTGene, CEMB-Cry1Ac and CEMB-Cry2A genes expression in sugarcane variety CPF-246 showed an efficient resistance against cane borers (Chilo infuscatellus) and was also highly tolerant against glyphosate spray. The selected transgenic sugarcane lines showed sustainable resistance against cane borer and glyphosate spray can be further exploited at farmer’s field level after fulfilling the biosafety requirements to boost the sugarcane production in the country.
format article
author Zahida Qamar
Idrees Ahmad Nasir
Mounir G. Abouhaidar
Kathleen L. Hefferon
Abdul Qayyum Rao
Ayesha Latif
Qurban Ali
Saima Anwar
Bushra Rashid
Ahmad Ali Shahid
author_facet Zahida Qamar
Idrees Ahmad Nasir
Mounir G. Abouhaidar
Kathleen L. Hefferon
Abdul Qayyum Rao
Ayesha Latif
Qurban Ali
Saima Anwar
Bushra Rashid
Ahmad Ali Shahid
author_sort Zahida Qamar
title Novel approaches to circumvent the devastating effects of pests on sugarcane
title_short Novel approaches to circumvent the devastating effects of pests on sugarcane
title_full Novel approaches to circumvent the devastating effects of pests on sugarcane
title_fullStr Novel approaches to circumvent the devastating effects of pests on sugarcane
title_full_unstemmed Novel approaches to circumvent the devastating effects of pests on sugarcane
title_sort novel approaches to circumvent the devastating effects of pests on sugarcane
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/3b7316ad4c7b4347ab7af880b3ef4f69
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