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Author Report for: Mayes R

Title: Complete genomes of two clinical Staphylococcus aureus strains: evidence for the rapid evolution of virulence and drug resistance
Holden MT, Feil EJ, Lindsay JA, Peacock SJ, Day NP, Enright MC, Foster TJ, Moore CE, Hurst L and Parkhill J <35 more author(s)> Holden MT, Feil EJ, Lindsay JA, Peacock SJ, Day NP, Enright MC, Foster TJ, Moore CE, Hurst L, Atkin R, Barron A, Bason N, Bentley SD, Chillingworth C, Chillingworth T, Churcher C, Clark L, Corton C, Cronin A, Doggett J, Dowd L, Feltwell T, Hance Z, Harris B, Hauser H, Holroyd S, Jagels K, James KD, Lennard N, Line A, Mayes R, Moule S, Mungall K, Ormond D, Quail MA, Rabbinowitsch E, Rutherford K, Sanders M, Sharp S, Simmonds M, Stevens K, Whitehead S, Barrell BG, Spratt BG, Parkhill J (- 35)
Ref: Proc Natl Acad Sci U S A, 101:9786, 2004 : PubMed
Abstract


ESTHER: Holden_2004_Proc.Natl.Acad.Sci.U.S.A_101_9786
PubMedSearch: Holden 2004 Proc.Natl.Acad.Sci.U.S.A 101 9786
PubMedID: 15213324
Gene_locus related to this paper: staau-d2feb3, staau-d2uin3, staau-LIP, staau-lipas, staau-MW0741, staau-MW2456, staau-q6gfm6, staau-SA0011, staau-SA0569, staau-SA0572, staau-SA0897, staau-SA1143, staau-SA2240, staau-SA2306, staau-SA2367, staau-SA2422, staau-SAV0321, staau-SAV0446, staau-SAV0457, staau-SAV0655, staau-SAV1014, staau-SAV1765, staau-SAV1793, staau-SAV2188, staau-SAV2350, staau-SAV2594

Abstract

Staphylococcus aureus is an important nosocomial and community-acquired pathogen. Its genetic plasticity has facilitated the evolution of many virulent and drug-resistant strains, presenting a major and constantly changing clinical challenge. We sequenced the approximately 2.8-Mbp genomes of two disease-causing S. aureus strains isolated from distinct clinical settings: a recent hospital-acquired representative of the epidemic methicillin-resistant S. aureus EMRSA-16 clone (MRSA252), a clinically important and globally prevalent lineage; and a representative of an invasive community-acquired methicillin-susceptible S. aureus clone (MSSA476). A comparative-genomics approach was used to explore the mechanisms of evolution of clinically important S. aureus genomes and to identify regions affecting virulence and drug resistance. The genome sequences of MRSA252 and MSSA476 have a well conserved core region but differ markedly in their accessory genetic elements. MRSA252 is the most genetically diverse S. aureus strain sequenced to date: approximately 6% of the genome is novel compared with other published genomes, and it contains several unique genetic elements. MSSA476 is methicillin-susceptible, but it contains a novel Staphylococcal chromosomal cassette (SCC) mec-like element (designated SCC(476)), which is integrated at the same site on the chromosome as SCCmec elements in MRSA strains but encodes a putative fusidic acid resistance protein. The crucial role that accessory elements play in the rapid evolution of S. aureus is clearly illustrated by comparing the MSSA476 genome with that of an extremely closely related MRSA community-acquired strain; the differential distribution of large mobile elements carrying virulence and drug-resistance determinants may be responsible for the clinically important phenotypic differences in these strains.



        

Title: The complete genome sequence of Mycobacterium bovis
Garnier T, Eiglmeier K, Camus JC, Medina N, Mansoor H, Pryor M, Duthoy S, Grondin S, Lacroix C and Hewinson RG <12 more author(s)> Garnier T, Eiglmeier K, Camus JC, Medina N, Mansoor H, Pryor M, Duthoy S, Grondin S, Lacroix C, Monsempe C, Simon S, Harris B, Atkin R, Doggett J, Mayes R, Keating L, Wheeler PR, Parkhill J, Barrell BG, Cole ST, Gordon SV, Hewinson RG (- 12)
Ref: Proc Natl Acad Sci U S A, 100:7877, 2003 : PubMed
Abstract


ESTHER: Garnier_2003_Proc.Natl.Acad.Sci.U.S.A_100_7877
PubMedSearch: Garnier 2003 Proc.Natl.Acad.Sci.U.S.A 100 7877
PubMedID: 12788972
Gene_locus related to this paper: myctu-a85a, myctu-a85b, myctu-a85c, myctu-bpoC, myctu-cut3, myctu-cutas1, myctu-cutas2, myctu-d5yk66, myctu-ephB, myctu-ephc, myctu-ephd, myctu-ephE, myctu-hpx, myctu-linb, myctu-lipG, myctu-lipJ, myctu-LIPS, myctu-lipv, myctu-LPQC, myctu-LPQP, myctu-MBTB, myctu-metx, myctu-mpt51, myctu-MT1628, myctu-MT3441, myctu-p71654, myctu-p95011, myctu-PKS6, myctu-PKS13, myctu-ppe42, myctu-ppe63, myctu-Rv1430, myctu-RV0045C, myctu-Rv0077c, myctu-Rv0151c, myctu-Rv0152c, myctu-Rv0159c, myctu-Rv0160c, myctu-rv0183, myctu-Rv0217c, myctu-Rv0220, myctu-Rv0272c, myctu-RV0293C, myctu-RV0421C, myctu-RV0457C, myctu-RV0519C, myctu-RV0774C, myctu-RV0782, myctu-RV0840C, myctu-Rv1069c, myctu-Rv1076, myctu-RV1123C, myctu-Rv1184c, myctu-Rv1190, myctu-Rv1191, myctu-RV1192, myctu-RV1215C, myctu-Rv1399c, myctu-Rv1400c, myctu-Rv1426c, myctu-RV1639C, myctu-RV1683, myctu-RV1758, myctu-Rv1800, myctu-Rv1833c, myctu-Rv2045c, myctu-RV2054, myctu-Rv2284, myctu-RV2296, myctu-Rv2385, myctu-Rv2485c, myctu-RV2627C, myctu-RV2672, myctu-RV2695, myctu-RV2765, myctu-RV2800, myctu-RV2854, myctu-Rv2970c, myctu-Rv3084, myctu-Rv3097c, myctu-rv3177, myctu-Rv3312c, myctu-RV3452, myctu-RV3473C, myctu-Rv3487c, myctu-Rv3569c, myctu-RV3724, myctu-Rv3802c, myctu-Rv3822, myctu-y0571, myctu-y963, myctu-Y1834, myctu-y1835, myctu-y2079, myctu-Y2307, myctu-yc88, myctu-ym23, myctu-ym24, myctu-YR15, myctu-yt28

Abstract

Mycobacterium bovis is the causative agent of tuberculosis in a range of animal species and man, with worldwide annual losses to agriculture of $3 billion. The human burden of tuberculosis caused by the bovine tubercle bacillus is still largely unknown. M. bovis was also the progenitor for the M. bovis bacillus Calmette-Guerin vaccine strain, the most widely used human vaccine. Here we describe the 4,345,492-bp genome sequence of M. bovis AF2122/97 and its comparison with the genomes of Mycobacterium tuberculosis and Mycobacterium leprae. Strikingly, the genome sequence of M. bovis is >99.95% identical to that of M. tuberculosis, but deletion of genetic information has led to a reduced genome size. Comparison with M. leprae reveals a number of common gene losses, suggesting the removal of functional redundancy. Cell wall components and secreted proteins show the greatest variation, indicating their potential role in host-bacillus interactions or immune evasion. Furthermore, there are no genes unique to M. bovis, implying that differential gene expression may be the key to the host tropisms of human and bovine bacilli. The genome sequence therefore offers major insight on the evolution, host preference, and pathobiology of M. bovis.



        

Title: The DNA sequence of chromosome I of an African trypanosome: gene content, chromosome organisation, recombination and polymorphism
Hall N, Berriman M, Lennard NJ, Harris BR, Hertz-Fowler C, Bart-Delabesse EN, Gerrard CS, Atkin RJ, Barron AJ and Melville SE <30 more author(s)> Hall N, Berriman M, Lennard NJ, Harris BR, Hertz-Fowler C, Bart-Delabesse EN, Gerrard CS, Atkin RJ, Barron AJ, Bowman S, Bray-Allen SP, Bringaud F, Clark LN, Corton CH, Cronin A, Davies R, Doggett J, Fraser A, Gruter E, Hall S, Harper AD, Kay MP, Leech V, Mayes R, Price C, Quail MA, Rabbinowitsch E, Reitter C, Rutherford K, Sasse J, Sharp S, Shownkeen R, MacLeod A, Taylor S, Tweedie A, Turner CM, Tait A, Gull K, Barrell B, Melville SE (- 30)
Ref: Nucleic Acids Research, 31:4864, 2003 : PubMed
Abstract


ESTHER: Hall_2003_Nucleic.Acids.Res_31_4864
PubMedSearch: Hall 2003 Nucleic.Acids.Res 31 4864
PubMedID: 12907729
Gene_locus related to this paper: trybr-CHR1.244, trybr-CHR1.412, trybr-Q4GYA0

Abstract

The African trypanosome, Trypanosoma brucei, causes sleeping sickness in humans in sub-Saharan Africa. Here we report the sequence and analysis of the 1.1 Mb chromosome I, which encodes approximately 400 predicted genes organised into directional clusters, of which more than 100 are located in the largest cluster of 250 kb. A 160-kb region consists primarily of three gene families of unknown function, one of which contains a hotspot for retroelement insertion. We also identify five novel gene families. Indeed, almost 20% of predicted genes are members of families. In some cases, tandemly arrayed genes are 99-100% identical, suggesting an active process of amplification and gene conversion. One end of the chromosome consists of a putative bloodstream-form variant surface glycoprotein (VSG) gene expression site that appears truncated and degenerate. The other chromosome end carries VSG and expression site-associated genes and pseudogenes over 50 kb of subtelomeric sequence where, unusually, the telomere-proximal VSG gene is oriented away from the telomere. Our analysis includes the cataloguing of minor genetic variations between the chromosome I homologues and an estimate of crossing-over frequency during genetic exchange. Genetic polymorphisms are exceptionally rare in sequences located within and around the strand-switches between several gene clusters.



        

Title: Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana
Mayer K, Schuller C, Wambutt R, Murphy G, Volckaert G, Pohl T, Dusterhoft A, Stiekema W, Entian KD and McCombie WR <220 more author(s)> Mayer K, Schuller C, Wambutt R, Murphy G, Volckaert G, Pohl T, Dusterhoft A, Stiekema W, Entian KD, Terryn N, Harris B, Ansorge W, Brandt P, Grivell L, Rieger M, Weichselgartner M, de Simone V, Obermaier B, Mache R, Muller M, Kreis M, Delseny M, Puigdomenech P, Watson M, Schmidtheini T, Reichert B, Portatelle D, Perez-Alonso M, Boutry M, Bancroft I, Vos P, Hoheisel J, Zimmermann W, Wedler H, Ridley P, Langham SA, McCullagh B, Bilham L, Robben J, Van der Schueren J, Grymonprez B, Chuang YJ, Vandenbussche F, Braeken M, Weltjens I, Voet M, Bastiaens I, Aert R, Defoor E, Weitzenegger T, Bothe G, Ramsperger U, Hilbert H, Braun M, Holzer E, Brandt A, Peters S, van Staveren M, Dirske W, Mooijman P, Klein Lankhorst R, Rose M, Hauf J, Kotter P, Berneiser S, Hempel S, Feldpausch M, Lamberth S, Van den Daele H, De Keyser A, Buysshaert C, Gielen J, Villarroel R, De Clercq R, van Montagu M, Rogers J, Cronin A, Quail M, Bray-Allen S, Clark L, Doggett J, Hall S, Kay M, Lennard N, McLay K, Mayes R, Pettett A, Rajandream MA, Lyne M, Benes V, Rechmann S, Borkova D, Blocker H, Scharfe M, Grimm M, Lohnert TH, Dose S, de Haan M, Maarse A, Schafer M, Muller-Auer S, Gabel C, Fuchs M, Fartmann B, Granderath K, Dauner D, Herzl A, Neumann S, Argiriou A, Vitale D, Liguori R, Piravandi E, Massenet O, Quigley F, Clabauld G, Mundlein A, Felber R, Schnabl S, Hiller R, Schmidt W, Lecharny A, Aubourg S, Chefdor F, Cooke R, Berger C, Montfort A, Casacuberta E, Gibbons T, Weber N, Vandenbol M, Bargues M, Terol J, Torres A, Perez-Perez A, Purnelle B, Bent E, Johnson S, Tacon D, Jesse T, Heijnen L, Schwarz S, Scholler P, Heber S, Francs P, Bielke C, Frishman D, Haase D, Lemcke K, Mewes HW, Stocker S, Zaccaria P, Bevan M, Wilson RK, de la Bastide M, Habermann K, Parnell L, Dedhia N, Gnoj L, Schutz K, Huang E, Spiegel L, Sehkon M, Murray J, Sheet P, Cordes M, Abu-Threideh J, Stoneking T, Kalicki J, Graves T, Harmon G, Edwards J, Latreille P, Courtney L, Cloud J, Abbott A, Scott K, Johnson D, Minx P, Bentley D, Fulton B, Miller N, Greco T, Kemp K, Kramer J, Fulton L, Mardis E, Dante M, Pepin K, Hillier L, Nelson J, Spieth J, Ryan E, Andrews S, Geisel C, Layman D, Du H, Ali J, Berghoff A, Jones K, Drone K, Cotton M, Joshu C, Antonoiu B, Zidanic M, Strong C, Sun H, Lamar B, Yordan C, Ma P, Zhong J, Preston R, Vil D, Shekher M, Matero A, Shah R, Swaby IK, O'Shaughnessy A, Rodriguez M, Hoffmann J, Till S, Granat S, Shohdy N, Hasegawa A, Hameed A, Lodhi M, Johnson A, Chen E, Marra M, Martienssen R, McCombie WR (- 220)
Ref: Nature, 402:769, 1999 : PubMed
Abstract


ESTHER: Mayer_1999_Nature_402_769
PubMedSearch: Mayer 1999 Nature 402 769
PubMedID: 10617198
Gene_locus related to this paper: arath-AT4G00500, arath-AT4G16690, arath-AT4G17480, arath-AT4G24380, arath-AT4g30610, arath-o65513, arath-o65713, arath-LPAAT, arath-f4jt64

Abstract

The higher plant Arabidopsis thaliana (Arabidopsis) is an important model for identifying plant genes and determining their function. To assist biological investigations and to define chromosome structure, a coordinated effort to sequence the Arabidopsis genome was initiated in late 1996. Here we report one of the first milestones of this project, the sequence of chromosome 4. Analysis of 17.38 megabases of unique sequence, representing about 17% of the genome, reveals 3,744 protein coding genes, 81 transfer RNAs and numerous repeat elements. Heterochromatic regions surrounding the putative centromere, which has not yet been completely sequenced, are characterized by an increased frequency of a variety of repeats, new repeats, reduced recombination, lowered gene density and lowered gene expression. Roughly 60% of the predicted protein-coding genes have been functionally characterized on the basis of their homology to known genes. Many genes encode predicted proteins that are homologous to human and Caenorhabditis elegans proteins.