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Items: 49


Metagenomic analyses uncover the differential effect of azide treatment on bacterial community structure by enriching a specific Cyanobacteria present in a saline-alkaline environmental sample.

Aguirre-Garrido JF, Martínez-Abarca F, Montiel-Lugo D, Hernández-Soto LM, Ramírez-Saad H.

Int Microbiol. 2020 Jan 14. doi: 10.1007/s10123-020-00119-z. [Epub ahead of print]


Complete Genome Sequence of Sinorhizobium meliloti Strain AK21, a Salt-Tolerant Isolate from the Aral Sea Region.

Jiménez-Zurdo JI, Martínez-Abarca F, Cobo-Díaz JF, López-Contreras JA, Fernández-López M, Toro N.

Microbiol Resour Announc. 2020 Jan 9;9(2). pii: e01432-19. doi: 10.1128/MRA.01432-19.


Recruitment of Reverse Transcriptase-Cas1 Fusion Proteins by Type VI-A CRISPR-Cas Systems.

Toro N, Mestre MR, Martínez-Abarca F, González-Delgado A.

Front Microbiol. 2019 Sep 13;10:2160. doi: 10.3389/fmicb.2019.02160. eCollection 2019.


Spacer acquisition from RNA mediated by a natural reverse transcriptase-Cas1 fusion protein associated with a type III-D CRISPR-Cas system in Vibrio vulnificus.

González-Delgado A, Mestre MR, Martínez-Abarca F, Toro N.

Nucleic Acids Res. 2019 Nov 4;47(19):10202-10211. doi: 10.1093/nar/gkz746.


Multiple origins of reverse transcriptases linked to CRISPR-Cas systems.

Toro N, Martínez-Abarca F, Mestre MR, González-Delgado A.

RNA Biol. 2019 Oct;16(10):1486-1493. doi: 10.1080/15476286.2019.1639310. Epub 2019 Jul 11.


On the Origin and Evolutionary Relationships of the Reverse Transcriptases Associated With Type III CRISPR-Cas Systems.

Toro N, Martínez-Abarca F, González-Delgado A, Mestre MR.

Front Microbiol. 2018 Jun 15;9:1317. doi: 10.3389/fmicb.2018.01317. eCollection 2018.


Contribution of Mobile Group II Introns to Sinorhizobium meliloti Genome Evolution.

Toro N, Martínez-Abarca F, Molina-Sánchez MD, García-Rodríguez FM, Nisa-Martínez R.

Front Microbiol. 2018 Apr 4;9:627. doi: 10.3389/fmicb.2018.00627. eCollection 2018. Review.


Changes in the soil bacterial community along a pedogenic gradient.

Sánchez-Marañón M, Miralles I, Aguirre-Garrido JF, Anguita-Maeso M, Millán V, Ortega R, García-Salcedo JA, Martínez-Abarca F, Soriano M.

Sci Rep. 2017 Nov 6;7(1):14593. doi: 10.1038/s41598-017-15133-x.


The Reverse Transcriptases Associated with CRISPR-Cas Systems.

Toro N, Martínez-Abarca F, González-Delgado A.

Sci Rep. 2017 Aug 2;7(1):7089. doi: 10.1038/s41598-017-07828-y.


The early events underlying genome evolution in a localized Sinorhizobium meliloti population.

Toro N, Martínez-Abarca F, Fernández-López M.

BMC Genomics. 2016 Aug 5;17:556. doi: 10.1186/s12864-016-2878-9.


Bacterial Group II Introns: Identification and Mobility Assay.

Toro N, Molina-Sánchez MD, Nisa-Martínez R, Martínez-Abarca F, García-Rodríguez FM.

Methods Mol Biol. 2016;1400:21-32. doi: 10.1007/978-1-4939-3372-3_2.


Bacterial Diversity in the Soda Saline Crater Lake from Isabel Island, Mexico.

Aguirre-Garrido JF, Ramírez-Saad HC, Toro N, Martínez-Abarca F.

Microb Ecol. 2016 Jan;71(1):68-77. doi: 10.1007/s00248-015-0676-6. Epub 2015 Sep 21.


Genome Sequence of Bradyrhizobium japonicum E109, One of the Most Agronomically Used Nitrogen-Fixing Rhizobacteria in Argentina.

Torres D, Revale S, Obando M, Maroniche G, Paris G, Perticari A, Vazquez M, Wisniewski-Dyé F, Martínez-Abarca F, Cassán F.

Genome Announc. 2015 Feb 19;3(1). pii: e01566-14. doi: 10.1128/genomeA.01566-14.


Insights into the strategies used by related group II introns to adapt successfully for the colonisation of a bacterial genome.

Martínez-Rodríguez L, García-Rodríguez FM, Molina-Sánchez MD, Toro N, Martínez-Abarca F.

RNA Biol. 2014;11(8):1061-71. doi: 10.4161/rna.32092. Epub 2014 Oct 31. Review.


In vitro characterization of the splicing efficiency and fidelity of the RmInt1 group II intron as a means of controlling the dispersion of its host mobile element.

Chillón I, Molina-Sánchez MD, Fedorova O, García-Rodríguez FM, Martínez-Abarca F, Toro N.

RNA. 2014 Dec;20(12):2000-10. doi: 10.1261/rna.047407.114. Epub 2014 Oct 21.


Complete Genome Sequence of the RmInt1 Group II Intronless Sinorhizobium meliloti Strain RMO17.

Toro N, Martínez-Abarca F, Nisa-Martínez R.

Genome Announc. 2014 Oct 9;2(5). pii: e01001-14. doi: 10.1128/genomeA.01001-14.


Complete Genome Sequence of the Model Rhizosphere Strain Azospirillum brasilense Az39, Successfully Applied in Agriculture.

Rivera D, Revale S, Molina R, Gualpa J, Puente M, Maroniche G, Paris G, Baker D, Clavijo B, McLay K, Spaepen S, Perticari A, Vazquez M, Wisniewski-Dyé F, Watkins C, Martínez-Abarca F, Vanderleyden J, Cassán F.

Genome Announc. 2014 Jul 24;2(4). pii: e00683-14. doi: 10.1128/genomeA.00683-14.


Insights into the history of a bacterial group II intron remnant from the genomes of the nitrogen-fixing symbionts Sinorhizobium meliloti and Sinorhizobium medicae.

Toro N, Martínez-Rodríguez L, Martínez-Abarca F.

Heredity (Edinb). 2014 Oct;113(4):306-15. doi: 10.1038/hdy.2014.32. Epub 2014 Apr 16.


Rhizobial galactoglucan determines the predatory pattern of Myxococcus xanthus and protects Sinorhizobium meliloti from predation.

Pérez J, Jiménez-Zurdo JI, Martínez-Abarca F, Millán V, Shimkets LJ, Muñoz-Dorado J.

Environ Microbiol. 2014 Jul;16(7):2341-50. doi: 10.1111/1462-2920.12477. Epub 2014 Apr 28.


Complete Genome Sequence of the Alfalfa Symbiont Sinorhizobium/Ensifer meliloti Strain GR4.

Martínez-Abarca F, Martínez-Rodríguez L, López-Contreras JA, Jiménez-Zurdo JI, Toro N.

Genome Announc. 2013 Jan;1(1). pii: e00174-12. doi: 10.1128/genomeA.00174-12. Epub 2013 Feb 14.


Comprehensive phylogenetic analysis of bacterial group II intron-encoded ORFs lacking the DNA endonuclease domain reveals new varieties.

Toro N, Martínez-Abarca F.

PLoS One. 2013;8(1):e55102. doi: 10.1371/journal.pone.0055102. Epub 2013 Jan 23.


Bacterial community structure in the rhizosphere of three cactus species from semi-arid highlands in central Mexico.

Aguirre-Garrido JF, Montiel-Lugo D, Hernández-Rodríguez C, Torres-Cortes G, Millán V, Toro N, Martínez-Abarca F, Ramírez-Saad HC.

Antonie Van Leeuwenhoek. 2012 May;101(4):891-904. doi: 10.1007/s10482-012-9705-3. Epub 2012 Feb 4.


Spread of the group II intron RmInt1 and its insertion sequence target sites in the plant endosymbiont Sinorhizobium meliloti.

Biondi EG, Toro N, Bazzicalupo M, Martínez-Abarca F.

Mob Genet Elements. 2011 May;1(1):2-7.


Exon sequence requirements for excision in vivo of the bacterial group II intron RmInt1.

Barrientos-Durán A, Chillón I, Martínez-Abarca F, Toro N.

BMC Mol Biol. 2011 May 23;12:24. doi: 10.1186/1471-2199-12-24.


Characterization of novel antibiotic resistance genes identified by functional metagenomics on soil samples.

Torres-Cortés G, Millán V, Ramírez-Saad HC, Nisa-Martínez R, Toro N, Martínez-Abarca F.

Environ Microbiol. 2011 Apr;13(4):1101-14. doi: 10.1111/j.1462-2920.2010.02422.x. Epub 2011 Jan 31.


Splicing of the Sinorhizobium meliloti RmInt1 group II intron provides evidence of retroelement behavior.

Chillón I, Martínez-Abarca F, Toro N.

Nucleic Acids Res. 2011 Feb;39(3):1095-104. doi: 10.1093/nar/gkq847. Epub 2010 Sep 28.


Structural features in the C-terminal region of the Sinorhizobium meliloti RmInt1 group II intron-encoded protein contribute to its maturase and intron DNA-insertion function.

Molina-Sánchez MD, Martínez-Abarca F, Toro N.

FEBS J. 2010 Jan;277(1):244-54. doi: 10.1111/j.1742-4658.2009.07478.x. Epub 2009 Nov 27.


Identification and characterization of a nodH ortholog from the alfalfa-nodulating Or191-like rhizobia.

Del Papa MF, Pistorio M, Draghi WO, Lozano MJ, Giusti MA, Medina C, van Dillewijn P, Martínez-Abarca F, Moron Flores B, Ruiz-Sainz JE, Megías M, Pühler A, Niehaus K, Toro N, Lagares A.

Mol Plant Microbe Interact. 2007 Feb;20(2):138-45.


Dispersion of the RmInt1 group II intron in the Sinorhizobium meliloti genome upon acquisition by conjugative transfer.

Nisa-Martínez R, Jiménez-Zurdo JI, Martínez-Abarca F, Muñoz-Adelantado E, Toro N.

Nucleic Acids Res. 2007;35(1):214-22. Epub 2006 Dec 7.


Excision of the Sinorhizobium meliloti group II intron RmInt1 as circles in vivo.

Molina-Sánchez MD, Martinez-Abarca F, Toro N.

J Biol Chem. 2006 Sep 29;281(39):28737-44. Epub 2006 Aug 2.


An alternative intron-exon pairing scheme implied by unexpected in vitro activities of group II intron RmInt1 from Sinorhizobium meliloti.

Costa M, Michel F, Molina-Sánchez MD, Martinez-Abarca F, Toro N.

Biochimie. 2006 Jun;88(6):711-7. Epub 2006 Jan 19.


Mining genomes and 'metagenomes' for novel catalysts.

Ferrer M, Martínez-Abarca F, Golyshin PN.

Curr Opin Biotechnol. 2005 Dec;16(6):588-93. Epub 2005 Sep 19. Review.


The RmInt1 group II intron has two different retrohoming pathways for mobility using predominantly the nascent lagging strand at DNA replication forks for priming.

Martínez-Abarca F, Barrientos-Durán A, Fernández-López M, Toro N.

Nucleic Acids Res. 2004 May 20;32(9):2880-8. Print 2004.


Attachment to plant roots and nod gene expression are not affected by pH or calcium in the acid-tolerant alfalfa-nodulating bacteria Rhizobium sp. LPU83.

Soto MJ, Dillewijn P, Martínez-Abarca F, Jiménez-Zurdo JI, Toro N.

FEMS Microbiol Ecol. 2004 Apr 1;48(1):71-7. doi: 10.1016/j.femsec.2003.12.010.


Mobility of the Sinorhizobium meliloti group II intron RmInt1 occurs by reverse splicing into DNA, but requires an unknown reverse transcriptase priming mechanism.

Muñoz-Adelantado E, San Filippo J, Martínez-Abarca F, García-Rodríguez FM, Lambowitz AM, Toro N.

J Mol Biol. 2003 Apr 11;327(5):931-43.


Diversity of group II introns in the genome of Sinorhizobium meliloti strain 1021: splicing and mobility of RmInt1.

Toro N, Martínez-Abarca F, Fernández-López M, Muñoz-Adelantado E.

Mol Genet Genomics. 2003 Feb;268(5):628-36. Epub 2003 Jan 10.


Polymerase chain reaction-temperature gradient gel electrophoresis requires the use of high-performance liquid chromatography-purified oligonucleotides.

Villadas PJ, Martínez-Abarca F, Toro N.

Anal Biochem. 2002 Jan 1;300(1):101-3. No abstract available.


Group II introns in the bacterial world.

Martínez-Abarca F, Toro N.

Mol Microbiol. 2000 Dec;38(5):917-26. Review.


RecA-independent ectopic transposition in vivo of a bacterial group II intron.

Martínez-Abarca F, Toro N.

Nucleic Acids Res. 2000 Nov 1;28(21):4397-402.


Homing of a bacterial group II intron with an intron-encoded protein lacking a recognizable endonuclease domain.

Martínez-Abarca F, García-Rodríguez FM, Toro N.

Mol Microbiol. 2000 Mar;35(6):1405-12.


Cleavage of p220 by purified poliovirus 2A(pro) in cell-free systems: effects on translation of capped and uncapped mRNAs.

Novoa I, Martínez-Abarca F, Fortes P, Ortín J, Carrasco L.

Biochemistry. 1997 Jun 24;36(25):7802-9.


Nod factor-induced expression of leghemoglobin to study the mechanism of NH4NO3 inhibition on root hair deformation.

Heidstra R, Nilsen G, Martinez-Abarca F, van Kammen A, Bisseling T.

Mol Plant Microbe Interact. 1997 Mar;10(2):215-20.


Early nodulin gene expression during Nod factor-induced processes in Vicia sativa.

Vijn I, Martinez-Abarca F, Yang WC, das Neves L, van Brussel A, van Kammen A, Bisseling T.

Plant J. 1995 Jul;8(1):111-9.


High level expression in Escherichia coli cells and purification of poliovirus protein 2Apro.

Martínez-Abarca F, Alonso MA, Carrasco L.

J Gen Virol. 1993 Dec;74 ( Pt 12):2645-52.


Cloning and inducible synthesis of poliovirus nonstructural proteins.

Lama J, Guinea R, Martinez-Abarca F, Carrasco L.

Gene. 1992 Aug 15;117(2):185-92.


Cell type determines the relative proportions of (-) and (+) strand RNA during poliovirus replication.

López-Guerrero JA, Martínez-Abarca F, Fresno M, Carrasco L, Alonso MA.

Virus Res. 1991 Jun;20(1):23-9.


Restriction of poliovirus RNA translation in a human monocytic cell line.

López-Guerrero JA, Carrasco L, Martínez-Abarca F, Fresno M, Alonso MA.

Eur J Biochem. 1989 Dec 22;186(3):577-82.

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