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Root Hairs Play a Key Role in the Endophytic Colonization of Olive Roots by Pseudomonas spp. with Biocontrol Activity
- P. Prieto, E. Schilirò, M. M. Maldonado-González, R. Valderrama, Juan Bautista Barroso-Albarracín, J. Mercado-Blanco
- Biology, MedicineMicrobial Ecology
- 24 February 2011
In vitro study system using in vitro propagated olive plants, differential fluorescent-protein tagging of bacteria, and confocal laser scanning microscopy analysis have been successfully used to examine olive roots–Pseudomonas spp.
Homologue recognition during meiosis is associated with a change in chromatin conformation
It is shown that by comparing the behaviour of wild-type wheat and wheat mutant for Ph1 (a suppressor of homologous chromosome pairing), that when chromosomes recognise a partner to pair with, a conformational change to the chromatin is triggered in both partners that is followed by their intimate alignment.
Colonization process of olive tissues by Verticillium dahliae and its in planta interaction with the biocontrol root endophyte Pseudomonas fluorescens PICF7
- P. Prieto, Carmen Navarro‐Raya, Antonio Valverde-Corredor, Stefan G. Amyotte, K. F. Dobinson, J. Mercado-Blanco
- Biology, MedicineMicrobial biotechnology
- 15 June 2009
Early and localized root surface and root endophytic colonization by P. fluorescens PICF7 is needed to impair full progress of verticillium wilt epidemics in olive.
A core genetic map of Hordeum chilense and comparisons with maps of barley (Hordeum vulgare) and wheat (Triticum aestivum)
The utility of SSR and RFLP probes from other Gramineae species shows the usefulness of a comparative approach as a source of markers and for aligning the genetic map of H. chilense with other species.
Control of conformation changes associated with homologue recognition during meiosis
This study shows by exploiting wheat–rye hybrids that the signal is initiated in both the presence and absence of either the Ph1 or Ph2 locus, however, the chromatin change only continues to propagate through rye telomeric heterochromatin when Ph1 is absent.
Effective chromosome pairing requires chromatin remodeling at the onset of meiosis
- I. Colas, P. Shaw, +4 authors G. Moore
- Biology, MedicineProceedings of the National Academy of Sciences
- 22 April 2008
It is shown here in wheat that chromatin remodeling of homologues can only occur if they are identical or nearly identical, and a failure to undergo remodeling results in reduced pairing between thehomologues.
Chromosomes associate premeiotically and in xylem vessel cells via their telomeres and centromeres in diploid rice (Oryza sativa)
Meiotic studies on the diploid model cereal, rice, will now need to take into account the effects of premeiotic chromosome association, because the initial association of rice chromosomes seems to be between homologues.
Molecular characterization of TaSTOP1 homoeologues and their response to aluminium and proton (H+) toxicity in bread wheat (Triticum aestivum L.)
- A. Garcia-Oliveira, C. Benito, +4 authors P. Martins-Lopes
- Biology, MedicineBMC Plant Biology
- 13 September 2013
The localization of TaSTOP1 on long arm of homoeologous group 3 chromosomes and the previously reported major loci associated with Al resistance at chromosome 3BL, through QTL and genome wide association mapping studies suggests that TaSTop1 could be a potential candidate gene for genomic assisted breeding for Al tolerance in bread wheat.
Control of Seed Germination and Plant Development by Carbon and Nitrogen Availability
The genetic identification of the molecular components involved in nutrients-dependent pathways would help to elucidate the potential crosstalk between nutrients, nitric oxide (NO) and phytohormones (ABA, auxins and GAs) in seed germination and plant development.
Endophytic colonization of olive roots by the biocontrol strain Pseudomonas fluorescens PICF7.
Confocal microscopy combined with three-dimensional olive root tissue sectioning was used to provide evidence of the endophytic behaviour of Pseudomonas fluorescens PICF7, an effective biocontrol…