The Conserved Oligomeric Golgi (COG) Complex Functions During a Defense Response to

Overview

Journal Front Plant Sci

Date 2020 Dec 2

PMID 33262774

Citations 5

Authors

Bisho Ram Lawaju

Prakash Niraula

Gary W Lawrence

Kathy S Lawrence

Vincent P Klink

Affiliations

Soon will be listed here.

Abstract

The conserved oligomeric Golgi (COG) complex, functioning in retrograde trafficking, is a universal structure present among eukaryotes that maintains the correct Golgi structure and function. The COG complex is composed of eight subunits coalescing into two sub-complexes. COGs1-4 compose Sub-complex A. COGs5-8 compose Sub-complex B. The observation that COG interacts with the syntaxins, suppressors of the erd2-deletion 5 (Sed5p), is noteworthy because Sed5p also interacts with Sec17p [alpha soluble NSF attachment protein (α-SNAP)]. The α-SNAP gene is located within the major [soybean cyst nematode (SCN)] resistance locus () and functions in resistance. The study presented here provides a functional analysis of the COG complex. The analysis has identified two paralogs of each COG gene. Functional transgenic studies demonstrate at least one paralog of each COG gene family functions in during resistance. Furthermore, treatment of with the bacterial effector harpin, known to function in effector triggered immunity (ETI), leads to the induced transcription of at least one member of each COG gene family that has a role in resistance. In some instances, altered COG gene expression changes the relative transcript abundance of syntaxin 31. These results indicate that the COG complex functions through processes involving ETI leading to resistance.

Citing Articles

The heterologous expression of conserved Glycine max (soybean) mitogen activated protein kinase 3 (MAPK3) paralogs suppresses Meloidogyne incognita parasitism in Gossypium hirsutum (upland cotton).

Klink V, Alkharouf N, Lawrence K, Lawaju B, Sharma K, Niraula P Transgenic Res. 2022; 31(4-5):457-487.

PMID: 35763120 PMC: 9489592. DOI: 10.1007/s11248-022-00312-y.

Homologs of , and Function to Impair Parasitism While Also Regulating Mitogen Activated Protein Kinase Expression.

Khatri R, Pant S, Sharma K, Niraula P, Lawaju B, Lawrence K Front Plant Sci. 2022; 13:842597.

PMID: 35599880 PMC: 9114929. DOI: 10.3389/fpls.2022.842597.

A Broad Review of Soybean Research on the Ongoing Race to Overcome Soybean Cyst Nematode.

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PMID: 35205078 PMC: 8869295. DOI: 10.3390/biology11020211.

Conserved oligomeric Golgi (COG) complex genes functioning in defense are expressed in root cells undergoing a defense response to a pathogenic infection and exhibit regulation my MAPKs.

Klink V, Darwish O, Alkharouf N, Lawaju B, Khatri R, Lawrence K PLoS One. 2021; 16(8):e0256472.

PMID: 34437620 PMC: 8389442. DOI: 10.1371/journal.pone.0256472.

Xyloglucan endotransglycosylase/hydrolase increases tightly-bound xyloglucan and chain number but decreases chain length contributing to the defense response that Glycine max has to Heterodera glycines.

Niraula P, Zhang X, Jeremic D, Lawrence K, Klink V PLoS One. 2021; 16(1):e0244305.

PMID: 33444331 PMC: 7808671. DOI: 10.1371/journal.pone.0244305.

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