Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Candidatus Liberibacter Asiaticus Manipulates the Expression of Vitellogenin, Cytoskeleton, and Endocytotic Pathway-Related Genes to Become Circulative in Its Vector, Diaphorina citri (Hemiptera: Psyllidae)

Damini Jaiswal
,
V. Kavi Sidharthan
,
Susheel Kumar Sharma
,
Richa Rai
,
Nandlal Choudhary
,
Amalendu Ghosh
* ORCID logo ,
Virendra Kumar Baranwal
Version 1 : Received: 23 May 2020 / Approved: 24 May 2020 / Online: 24 May 2020 (17:03:45 CEST)

How to cite: Jaiswal, D.; Sidharthan, V.K.; Sharma, S.K.; Rai, R.; Choudhary, N.; Ghosh, A.; Baranwal, V.K. Candidatus Liberibacter Asiaticus Manipulates the Expression of Vitellogenin, Cytoskeleton, and Endocytotic Pathway-Related Genes to Become Circulative in Its Vector, Diaphorina citri (Hemiptera: Psyllidae). Preprints 2020, 2020050389. https://doi.org/10.20944/preprints202005.0389.v1 Jaiswal, D.; Sidharthan, V.K.; Sharma, S.K.; Rai, R.; Choudhary, N.; Ghosh, A.; Baranwal, V.K. Candidatus Liberibacter Asiaticus Manipulates the Expression of Vitellogenin, Cytoskeleton, and Endocytotic Pathway-Related Genes to Become Circulative in Its Vector, Diaphorina citri (Hemiptera: Psyllidae). Preprints 2020, 2020050389. https://doi.org/10.20944/preprints202005.0389.v1

Abstract

Citrus greening disease or huanglongbing (HLB) caused by Candidatus Liberibacter asiaticus (CLas) limits the citrus production worldwide. CLas is transmitted by the Asian citrus psyllid (ACP), Diaphorina citri (Hemiptera: Psyllidae) in a persistent-propagative manner. Application of insecticides to manage the psyllid vectors and disease is the most common practice. Understanding the molecular interaction between CLas and ACP and interrupting the interrelationship can provide an alternative to insecticides for managing citrus greening disease. Transcriptome analysis of ACP in response to CLas showed differential expression of 3911 genes (2196 up-regulated, and 1715 down-regulated) including the key genes of ACP involved in cytoskeleton synthesis and nutrition-related proteins. Majority of the differentially expressed genes were categorized under molecular function followed by cellular components and biological processes. KEGG pathway analysis showed differential regulation of carbohydrate, nucleotide and energy metabolic pathways, the endocytotic pathway and the defense-related pathways. Differential regulation of genes associated with the key pathways might favors CLas to become systemic and propagate in its insect vector. The study provides an understanding of genes involved in circulation of CLas in ACP. The candidate genes involved in key physiological processes and CLas transmission by ACP would be potential targets for sustainable management of ACP and CLas.

Keywords

Asian citrus psyllid; citrus greening bacterium; huanglongbing; transcriptomics; virus-vector relationship; vitellogenin; cytoskeleton; endocytotic pathway

Subject

Biology and Life Sciences, Virology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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