PeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against Myzus persicae Sulzer in Chili Capsicum annum L.

The green peach aphid (Myzus persicae Sulzer), a major and harmful chili aphid usually managed using chemical pesticides, is responsible for massive annual agricultural losses. The efficacy of two protein elicitors, PeaT1 and PeBC1, to stimulate a defensive response against <i&...

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Autores principales:	Khadija Javed, Talha Humayun, Ayesha Humayun, Yong Wang, Humayun Javed
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	PeaT1 PeBC1 <i>M. persicae</i> induced plant resistance against aphids defense pathways EPG Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/5868900f750948d782d7d33334703e66
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spelling	oai:doaj.org-article:5868900f750948d782d7d33334703e662021-11-25T18:24:09ZPeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against <i>Myzus persicae</i> Sulzer in Chili <i>Capsicum annum</i> L.10.3390/microorganisms91121972076-2607https://doaj.org/article/5868900f750948d782d7d33334703e662021-10-01T00:00:00Zhttps://www.mdpi.com/2076-2607/9/11/2197https://doaj.org/toc/2076-2607The green peach aphid (<i>Myzus persicae</i> Sulzer), a major and harmful chili aphid usually managed using chemical pesticides, is responsible for massive annual agricultural losses. The efficacy of two protein elicitors, PeaT1 and PeBC1, to stimulate a defensive response against <i>M. persicae</i> in chili was studied in this study. When compared to positive (water) and negative (buffer, 50 mM Tris-HCl, pH 8.0) controls, the rates of population growth (intrinsic rate of increase) of <i>M. persicae</i> (second and third generations) were lower with PeaT1- and PeBC1-treated chilli seedlings. <i>M. persicae</i> demonstrated a preference for colonizing control (12.18 ± 0.06) plants over PeaT1- (7.60 ± 0.11) and PeBC1 (6.82 ± 0.09) treated chilli seedlings in a host selection assay. Moreover, PeaT1- and PeBC1-treated chilli seedlings, the nymphal development period of the <i>M. persicae</i> was extended. Similarly, fecundity was lowered in the PeaT1- and PeBC1-treated chilli seedlings, with fewer offspring produced compared to the positive (water) and negative controls (50 mM Tris-HCl, pH 8.0). The trichomes and wax production on the PeaT1 and PeBC1-treated chilli leaves created a disadvantageous surface environment for <i>M. persicae</i>. Compared to control (30.17 ± 0.16 mm<sup>−2</sup>), PeaT1 (56.23 ± 0.42 mm<sup>−2</sup>) and PeBC1 (52.14 ± 0.34 mm<sup>−2</sup>) had more trichomes. The levels of jasmonic acid (JA), salicylic acid (SA), and ethylene (ET) were significantly higher in the PeaT1- and PeBC1-treated chili seedlings, indicating considerable accumulation. PeaT1 and PeBC1 significantly affected the height of the chili plant and the surface structure of the leaves, reducing <i>M. persicae</i> reproduction and preventing colonization, according to the data. The activation of pathways was also part of the defensive response (JA, SA, and ET). This present research findings established an evidence of biocontrol for the utilization of PeaT1 and PeBC1 in the defence of chili plants against <i>M. persicae</i>.Khadija JavedTalha HumayunAyesha HumayunYong WangHumayun JavedMDPI AGarticlePeaT1PeBC1<i>M. persicae</i>induced plant resistance against aphidsdefense pathwaysEPGBiology (General)QH301-705.5ENMicroorganisms, Vol 9, Iss 2197, p 2197 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	PeaT1 PeBC1 <i>M. persicae</i> induced plant resistance against aphids defense pathways EPG Biology (General) QH301-705.5
spellingShingle	PeaT1 PeBC1 <i>M. persicae</i> induced plant resistance against aphids defense pathways EPG Biology (General) QH301-705.5 Khadija Javed Talha Humayun Ayesha Humayun Yong Wang Humayun Javed PeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against <i>Myzus persicae</i> Sulzer in Chili <i>Capsicum annum</i> L.
description	The green peach aphid (<i>Myzus persicae</i> Sulzer), a major and harmful chili aphid usually managed using chemical pesticides, is responsible for massive annual agricultural losses. The efficacy of two protein elicitors, PeaT1 and PeBC1, to stimulate a defensive response against <i>M. persicae</i> in chili was studied in this study. When compared to positive (water) and negative (buffer, 50 mM Tris-HCl, pH 8.0) controls, the rates of population growth (intrinsic rate of increase) of <i>M. persicae</i> (second and third generations) were lower with PeaT1- and PeBC1-treated chilli seedlings. <i>M. persicae</i> demonstrated a preference for colonizing control (12.18 ± 0.06) plants over PeaT1- (7.60 ± 0.11) and PeBC1 (6.82 ± 0.09) treated chilli seedlings in a host selection assay. Moreover, PeaT1- and PeBC1-treated chilli seedlings, the nymphal development period of the <i>M. persicae</i> was extended. Similarly, fecundity was lowered in the PeaT1- and PeBC1-treated chilli seedlings, with fewer offspring produced compared to the positive (water) and negative controls (50 mM Tris-HCl, pH 8.0). The trichomes and wax production on the PeaT1 and PeBC1-treated chilli leaves created a disadvantageous surface environment for <i>M. persicae</i>. Compared to control (30.17 ± 0.16 mm<sup>−2</sup>), PeaT1 (56.23 ± 0.42 mm<sup>−2</sup>) and PeBC1 (52.14 ± 0.34 mm<sup>−2</sup>) had more trichomes. The levels of jasmonic acid (JA), salicylic acid (SA), and ethylene (ET) were significantly higher in the PeaT1- and PeBC1-treated chili seedlings, indicating considerable accumulation. PeaT1 and PeBC1 significantly affected the height of the chili plant and the surface structure of the leaves, reducing <i>M. persicae</i> reproduction and preventing colonization, according to the data. The activation of pathways was also part of the defensive response (JA, SA, and ET). This present research findings established an evidence of biocontrol for the utilization of PeaT1 and PeBC1 in the defence of chili plants against <i>M. persicae</i>.
format	article
author	Khadija Javed Talha Humayun Ayesha Humayun Yong Wang Humayun Javed
author_facet	Khadija Javed Talha Humayun Ayesha Humayun Yong Wang Humayun Javed
author_sort	Khadija Javed
title	PeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against <i>Myzus persicae</i> Sulzer in Chili <i>Capsicum annum</i> L.
title_short	PeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against <i>Myzus persicae</i> Sulzer in Chili <i>Capsicum annum</i> L.
title_full	PeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against <i>Myzus persicae</i> Sulzer in Chili <i>Capsicum annum</i> L.
title_fullStr	PeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against <i>Myzus persicae</i> Sulzer in Chili <i>Capsicum annum</i> L.
title_full_unstemmed	PeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against <i>Myzus persicae</i> Sulzer in Chili <i>Capsicum annum</i> L.
title_sort	peat1 and pebc1 microbial protein elicitors enhanced resistance against <i>myzus persicae</i> sulzer in chili <i>capsicum annum</i> l.
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5868900f750948d782d7d33334703e66
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PeaT1 and PeBC1 Microbial Protein Elicitors Enhanced Resistance against <i>Myzus persicae</i> Sulzer in Chili <i>Capsicum annum</i> L.

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