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Alga que extrae energía de otras plantas

Alga que extrae energía de otras plantas | Chlamy_Life | Scoop.it
Se ha descubierto que el alga verde Chlamydomonas reinhardtii, no sólo es capaz de nutrirse a partir de la fotosíntesis, sino que también obtiene energía de una fuente alternativa: otras plantas.
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VUELO ACUÁTICO: CHLAMYDOMONAS PSEUDOPERTUSA - Flickr

VUELO ACUÁTICO: CHLAMYDOMONAS PSEUDOPERTUSA - Flickr | Chlamy_Life | Scoop.it
Aumentar * * Ahora en Biodiversidad virtual * Como un globo verde y errático que pierde aire sin deshincharse Chlamydomonas se mueve en el agua, sin rumbo, girando por momentos, ahora sobre sí misma, para lanzarse después, veloz, ...
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Rescooped by Alma Lorena Almaraz Delgado from Journal of Molecular Biology
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| Molecular Biology... What Molecular (systems) Biology?

| Molecular Biology... What Molecular (systems) Biology? | Chlamy_Life | Scoop.it

The launch of a new Molecular Biology journal can induce questions as: Is it necessary a new Molecular Biology journal? ( read out more interesting..)


Via Molecular Biology
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Rescooped by Alma Lorena Almaraz Delgado from Plant Immunity And Microbial Effectors
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RNA silencing suppression by plant pathogens: defence, counter-defence and counter-counter-defence

RNA silencing suppression by plant pathogens: defence, counter-defence and counter-counter-defence | Chlamy_Life | Scoop.it

Via IPM Lab
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Rescooped by Alma Lorena Almaraz Delgado from Viruses, Immunology & Bioinformatics from Virology.uvic.ca
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Lifetime vaccine against all types of flu could be available in 2018

Lifetime vaccine against all types of flu could be available in 2018 | Chlamy_Life | Scoop.it
Professor John Oxford, key researcher on a study developing the universal vaccine, has said he is 'wildly enthusiastic' about the first successful human trials.

Via Chris Upton + helpers
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Rescooped by Alma Lorena Almaraz Delgado from TAL effector science
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Targeted Gene Deletion of miRNAs in Mice by TALEN System - PLOS One

Targeted Gene Deletion of miRNAs in Mice by TALEN System - PLOS One | Chlamy_Life | Scoop.it

(via T. Schreiber, thx)

Takada et al, 2013

Mice are among the most valuable model animal species with an enormous amount of heritage in genetic modification studies. However, targeting genes in mice is sometimes difficult, especially for small genes, such as microRNAs (miRNAs) and targeting genes in repeat sequences. Here we optimized the application of TALEN system for mice and successfully obtained gene targeting technique in mice for intergenic region and series of microRNAs. Microinjection of synthesized RNA of TALEN targeting each gene in one cell stage of embryo was carried out and injected oocytes were transferred into pseudopregnant ICR female mice, producing a high success rate of the targeted deletion of miRNA genes. In our condition, TALEN RNA without poly(A) tail worked better than that of with poly(A) tail. This mutated allele in miRNA was transmitted to the next generation, suggesting the successful germ line transmission of this targeting method. Consistent with our notion of miRNAs maturation mechanism, in homozygous mutant mice of miR-10a, the non- mutated strand of miRNAs expression was completely diminished. This method will lead us to expand and accelerate our genetic research using mice in a high throughput way.

 

 


Via dromius
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Un alga estresada por la luminosidad | RDi Press

Un alga estresada por la luminosidad | RDi Press | Chlamy_Life | Scoop.it
Durante los veranos del 2010 y 2011, el grupo Bentos Marino de la UPV/EHU ha analizado las muestras de poblaciones de algas de cinco zonas, y, además, ha medido la luminosidad y la temperatura de cada zona durante ...
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UNAM busca corregir ceguera, retraso mental y movilidad ¡en genes! - El Semanario Sin Limites

UNAM busca corregir ceguera, retraso mental y movilidad ¡en genes! - El Semanario Sin Limites | Chlamy_Life | Scoop.it
El Semanario Sin Limites
UNAM busca corregir ceguera, retraso mental y movilidad ¡en genes!
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Rescooped by Alma Lorena Almaraz Delgado from Molecular Biology
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New “CLICK”able Nucleotides for bio-orthogonal conjugation

New “CLICK”able Nucleotides for bio-orthogonal conjugation | Chlamy_Life | Scoop.it
Click chemistry provides a powerful method for joining organic moieties in high yields under mild conditions, with easy product isolation, and in the presence of a diverse range of functional group...

Via Stratech Scientific
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Rescooped by Alma Lorena Almaraz Delgado from Viruses, Immunology & Bioinformatics from Virology.uvic.ca
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Algorithms for Molecular Biology | Full text | Alignment-free phylogeny of whole genomes using underlying subwords

With the progress of modern sequencing technologies a large number of complete genomes are now available. Traditionally the comparison of two related genomes is carried out by sequence alignment.

Via Ben Hetman
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Ben Hetman's curator insight, October 21, 2013 12:31 PM

This is a lot faster way of producing phylogenies than trying to align everything, and may be more accurate when trying to compare recombinogenic sequences. 

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Pathogen Infection Trial Increases the Secretion of Proteins Localized in the Endoplasmic Reticulum Body of Arabidopsis

Pathogen Infection Trial Increases the Secretion of Proteins Localized in the Endoplasmic Reticulum Body of Arabidopsis | Chlamy_Life | Scoop.it

Higher plants have evolved execution mechanisms for immune responses that terminate attacks by microbial pathogens; one such mechanism is the secretion of antimicrobial proteins directed toward pathogens. However, it is largely unknown how the secretion of these proteins is controlled during the plant immune response.

Secretion of soluble proteins, via the endomembrane system, is a common feature of eukaryotic cells. The secretory pathway comprises distinct organelles, including the endoplasmic reticulum (ER), Golgi apparatus, trans-Golgi network, endosomes, vacuoles, and plasma membrane (Schatz and Dobberstein, 1996; Lee et al., 2004; Matheson et al., 2006).

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Rescooped by Alma Lorena Almaraz Delgado from TAL effector science
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Molecular Dynamics Simulations of DNA-Free and DNA-Bound TAL Effectors - PLOS One

Molecular Dynamics Simulations of DNA-Free and DNA-Bound TAL Effectors - PLOS One | Chlamy_Life | Scoop.it

(via T. Lahaye, thx)

Wan et al, 2013

Molecular dynamics (MD) simulations are employed to study two crystal structures of an 11.5-repeat TALE, in the presence and absence of DNA, respectively. The simulated results indicate that the specific binding of RVDs (repeat-variable diresidues) with DNA leads to the markedly reduced fluctuations of tandem repeats, especially at the two ends. In the DNA-bound TALE system, the base-specific interaction is formed mainly by the residue at position 13 within a TAL repeat. Tandem repeats with weak RVDs are unfavorable for the TALE-DNA binding. These observations are consistent with experimental studies. By using principal component analysis (PCA), the dominant motions are open-close movements between the two ends of the superhelical structure in both DNA-free and DNA-bound TALE systems. The open-close movements are found to be critical for the recognition and binding of TALE-DNA based on the analysis of free energy landscape (FEL). The conformational analysis of DNA indicates that the 5′ end of DNA target sequence has more remarkable structural deformability than the other sites. Meanwhile, the conformational change of DNA is likely associated with the specific interaction of TALE-DNA. We further suggest that the arrangement of N-terminal repeats with strong RVDs may help in the design of efficient TALEs. This study provides some new insights into the understanding of the TALE-DNA recognition mechanism.


Via dromius
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