J J Wernegreen
Overview
Explore the profile of J J Wernegreen including associated specialties, affiliations and a list of published articles.
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12
Citations
438
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Recent Articles
1.
Casiraghi M, Bordenstein S, Baldo L, Lo N, Beninati T, Wernegreen J, et al.
Microbiology (Reading)
. 2005 Dec;
151(Pt 12):4015-4022.
PMID: 16339946
Current phylogenies of the intracellular bacteria belonging to the genus Wolbachia identify six major clades (A-F), termed 'supergroups', but the branching order of these supergroups remains unresolved. Supergroups A, B...
2.
Wernegreen J, Lazarus A, Degnan P
Microbiology (Reading)
. 2002 Aug;
148(Pt 8):2551-2556.
PMID: 12177348
Blochmannia (Candidatus Blochmannia gen. nov.) is the primary bacterial endosymbiont of the ant genus CAMPONOTUS: Like other obligate endosymbionts of insects, Blochmannia occurs exclusively within eukaryotic cells and has experienced...
3.
Wernegreen J, Richardson A, Moran N
Mol Phylogenet Evol
. 2001 Jun;
19(3):479-85.
PMID: 11399154
The overproduction of essential amino acids by Buchnera aphidicola, the primary bacterial mutualist of aphids, is considered an adaptation for increased production of nutrients that are lacking in aphids' diet...
4.
Funk D, Helbling L, Wernegreen J, Moran N
Proc Biol Sci
. 2001 Feb;
267(1461):2517-21.
PMID: 11197128
Eukaryotes often form intimate endosymbioses with prokaryotic organisms. Cases in which these symbionts are transmitted cytoplasmically to host progeny create the potential for co-speciation or congruent evolution among the distinct...
5.
Funk D, Wernegreen J, Moran N
Genetics
. 2001 Feb;
157(2):477-89.
PMID: 11156972
Buchnera are maternally transmitted bacterial endosymbionts that synthesize amino acids that are limiting in the diet of their aphid hosts. Previous studies demonstrated accelerated sequence evolution in Buchnera compared to...
6.
Wernegreen J, Moran N
J Bacteriol
. 2001 Jan;
183(2):785-90.
PMID: 11133977
This study tested for horizontal transfer of plasmids among Buchnera aphidicola strains associated with ecologically and phylogenetically related aphid hosts (Uroleucon species). Phylogenetic congruence of Buchnera plasmid (trpEG and leuABC)...
7.
Wernegreen J, Moran N
Proc Biol Sci
. 2000 Sep;
267(1451):1423-31.
PMID: 10983826
Buchnera, the primary bacterial endosymbiont of aphids, is known to provision essential amino acids lacking in the hosts' diet of plant sap. The recent discovery of silenced copies of genes...
8.
Clark M, Moran N, Baumann P, Wernegreen J
Evolution
. 2000 Aug;
54(2):517-25.
PMID: 10937228
Previous studies of phylogenetic congruence between aphids and their symbiotic bacteria (Buchnera) supported long-term vertical transmission of symbionts. However, those studies were based on distantly related aphids and would not...
9.
Wernegreen J, Ochman H, JONES I, Moran N
J Bacteriol
. 2000 Jun;
182(13):3867-9.
PMID: 10851009
In contrast to genome size variation in most bacterial taxa, the small genome size of Buchnera sp. was shown to be highly conserved across genetically diverse isolates (630 to 643...
10.
Wernegreen J, Riley M
Mol Biol Evol
. 1999 May;
16(1):98-113.
PMID: 10331255
In prokaryotes, lateral gene transfer across chromosomal lineages may be mediated by plasmids, phages, transposable elements, and other accessory DNA elements. However, the importance of such transfer and the evolutionary...