Divergent low-density lipoprotein receptor (LDLR) linked to low VSV G-dependent viral infectivity and unique serum lipid profile in zebra finches

The low-density lipoprotein receptor (LDLR) is key to cellular cholesterol uptake and is also the main receptor for the vesicular stomatitis virus glycoprotein (VSV G). Here we show that in songbirds LDLR is highly divergent and lacks domains critical for ligand binding and cellular trafficking, inc...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 2021-05, Vol.118 (18), p.1-3
Hauptverfasser: Velho, Tarciso A. F., Lovell, Peter V., Friedrich, Samantha R., Olson, Christopher R., Miles, Joshua, Mueller, Paul A., Tavori, Hagai, Fazio, Sergio, Lois, Carlos, Mello, Claudio V.
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container_issue 18
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container_title Proceedings of the National Academy of Sciences - PNAS
container_volume 118
creator Velho, Tarciso A. F.
Lovell, Peter V.
Friedrich, Samantha R.
Olson, Christopher R.
Miles, Joshua
Mueller, Paul A.
Tavori, Hagai
Fazio, Sergio
Lois, Carlos
Mello, Claudio V.
description The low-density lipoprotein receptor (LDLR) is key to cellular cholesterol uptake and is also the main receptor for the vesicular stomatitis virus glycoprotein (VSV G). Here we show that in songbirds LDLR is highly divergent and lacks domains critical for ligand binding and cellular trafficking, inconsistent with universal structure conservation and function across vertebrates. Linked to the LDLR functional domain loss, zebra finches show inefficient infectivity by lentiviruses (LVs) pseudotyped with VSV G, which can be rescued by the expression of human LDLR. Finches also show an atypical plasma lipid distribution that relies largely on high-density lipoprotein (HDL). These findings provide insights into the genetics and evolution of viral infectivity and cholesterol transport mechanisms in vertebrates.
doi_str_mv 10.1073/pnas.2025167118
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F.</au><au>Lovell, Peter V.</au><au>Friedrich, Samantha R.</au><au>Olson, Christopher R.</au><au>Miles, Joshua</au><au>Mueller, Paul A.</au><au>Tavori, Hagai</au><au>Fazio, Sergio</au><au>Lois, Carlos</au><au>Mello, Claudio V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Divergent low-density lipoprotein receptor (LDLR) linked to low VSV G-dependent viral infectivity and unique serum lipid profile in zebra finches</atitle><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle><addtitle>Proc Natl Acad Sci U S A</addtitle><date>2021-05-04</date><risdate>2021</risdate><volume>118</volume><issue>18</issue><spage>1</spage><epage>3</epage><pages>1-3</pages><issn>0027-8424</issn><eissn>1091-6490</eissn><abstract>The low-density lipoprotein receptor (LDLR) is key to cellular cholesterol uptake and is also the main receptor for the vesicular stomatitis virus glycoprotein (VSV G). 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subjects Animals
Biological Sciences
Biological Transport - genetics
BRIEF REPORTS
Cellular structure
Cholesterol
Cholesterol - genetics
Cholesterol - metabolism
Density
Divergence
Domains
Finches - blood
Finches - genetics
Gene Expression Regulation - genetics
Genetics
Glycoproteins
High density lipoprotein
Humans
Infectivity
Ligands
Lipids
Lipids - blood
Lipoproteins
Low density lipoprotein receptors
Membrane Glycoproteins - genetics
Receptor density
Receptors
Receptors, LDL - blood
Receptors, LDL - genetics
Songbirds
Stomatitis
Structure-function relationships
Vertebrates
Viral Envelope Proteins - genetics
Viruses
title Divergent low-density lipoprotein receptor (LDLR) linked to low VSV G-dependent viral infectivity and unique serum lipid profile in zebra finches
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