Arabidopsis ACBP6 is an acyl-CoA-binding protein associated with phospholipid metabolism

Chen, Qinfang; Xiao, Shi; Chye, Mee‐Len

doi:10.4161/psb.6762

Cited by 8 publications

(5 citation statements)

References 26 publications

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“…Part of the phospholipids (PL) synthesized on the endoplasmic reticulum (ER) ('eukaryotic pathway') are transferred to the plastid, where they serve as precursors for the production of structural lipids in this organelle. Some recent studies suggest the involvement of ACBP6 in PL metabolism in response to freezing stress [89]. ACBP6 gene expression was induced in young rosettes after cold treatment, and over-expression of the protein enhanced freezing tolerance in A. thaliana, while the acbp6 T-DNA mutant (SALK_104339) exhibited increased sensitivity to freezing stress.…”

Section: Function Supporting Evidence Referencesmentioning

confidence: 99%

Involvement of low molecular mass soluble acyl-CoA-binding protein in seed oil biosynthesis

Yurchenko

Weselake

2011

New Biotechnology

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Section: Function Supporting Evidence Referencesmentioning

confidence: 99%

Involvement of low molecular mass soluble acyl-CoA-binding protein in seed oil biosynthesis

Yurchenko

Weselake

2011

New Biotechnology

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“…latter being reminiscent of fax1 knockouts (see above). ACBP6 is further associated with lipid remodeling during freezing tolerance [44,45].…”

Section: Fatty Acid (Fa) and Lipid Transport In Plant Cellsmentioning

confidence: 99%

Fatty Acid and Lipid Transport in Plant Cells

Li‐Beisson

et al. 2016

Trends in Plant Science

234

194

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Fatty acids (FAs) and lipids are essential - not only as membrane constituents but also for growth and development. In plants and algae, FAs are synthesized in plastids and to a large extent transported to the endoplasmic reticulum for modification and lipid assembly. Subsequently, lipophilic compounds are distributed within the cell, and thus are transported across most membrane systems. Membrane-intrinsic transporters and proteins for cellular FA/lipid transfer therefore represent key components for delivery and dissemination. In addition to highlighting their role in lipid homeostasis and plant performance, different transport mechanisms for land plants and green algae - in the model systems Arabidopsis thaliana, Chlamydomonas reinhardtii - are compared, thereby providing a current perspective on protein-mediated FA and lipid trafficking in photosynthetic cells.

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“…The identified ACBP is very similar to ACBP6 of Arabidopsis. ACB6-overexpressing plants showed increased phospholipase D (PLD) expression and elevations in phosphatidic acid (PA) in comparison to wild type (Chen et al, 2008). PLD-derived PA plays a role in stimulating pollen germination and tube elongation (Potocky et al, 2003).…”

Section: Differentially Expressed Proteins Were Involved In the Metabmentioning

confidence: 99%

Proteomic changes and molecular effects associated with Cr(III) and Cr(VI) treatments on germinating kiwifruit pollen

et al. 2011

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The present study is aimed at identifying molecular changes elicited by Cr(III) and Cr(VI) on germinating kiwifruit pollen. To address this question, comparative proteomic and DNA laddering analyses were performed. While no genotoxic effect was detected, a number of proteins whose accumulation levels were altered by treatments were identified. In particular, the upregulation of some proteins involved in the scavenging response, cell redox homeostasis and lipid synthesis could be interpreted as an oxidative stress response induced by Cr treatment. The strong reduction of two proteins involved in mitochondrial oxidative phosphorylation and a decline in ATP levels were also observed. The decrease of pollen energy availability could be one of the causes of the severe inhibition of the pollen germination observed upon exposure to both Cr(III) and Cr(VI). Finally, proteomic and biochemical data indicate proteasome impairment: the consequential accumulation of misfolded/damaged proteins could be an important molecular mechanism of Cr(III) toxicity in pollen.

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Arabidopsis ACBP6 is an acyl-CoA-binding protein associated with phospholipid metabolism

Cited by 8 publications

References 26 publications

Involvement of low molecular mass soluble acyl-CoA-binding protein in seed oil biosynthesis

Involvement of low molecular mass soluble acyl-CoA-binding protein in seed oil biosynthesis

Fatty Acid and Lipid Transport in Plant Cells

Proteomic changes and molecular effects associated with Cr(III) and Cr(VI) treatments on germinating kiwifruit pollen

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