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An intronic enhancer of Bmp6 underlies evolved tooth gain in sticklebacks

June 14, 2018

An intronic enhancer of Bmp6 underlies evolved tooth gain in sticklebacks


Image credit: UW News, Flickr, CC BY

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PLOS Research News

06/11/2018

research article

Genetic dissection of stress-induced reproductive arrest in Drosophila melanogaster females

Noriyuki Ojima and colleagues show that upon the exposure of D. melanogaster female adults to a combination of short-day, low temperature and starvation, they consistently undergo reproductive dormancy. The authors further show that insulin-producing neurons in the brain make the decision regarding whether or not to undergo reproductive dormancy by integrating information on the photoperiod, temperature and nutritional conditions.

Image credit: Noriyuki Ojima and colleagues

Genetic dissection of stress-induced reproductive arrest in Drosophila melanogaster females

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Current Issue

Current Issue May 2018

06/13/2018

research article

A subset of plasma membrane-localized PP2C.D phosphatases negatively regulate SAUR-mediated cell expansion in Arabidopsis

Here, Hong Ren and colleagues investigate the functions of the D-clade PP2C (PP2C.D) family phosphatases in auxin-induced cell expansion as well as plant growth and development, and demonstrate that the plasma membrane-localized PP2C.D2, PP2C.D5, and PP2C.D6 family members are the major regulators in auxin-induced cell expansion.

Image credit: Hong Ren and colleagues

A subset of plasma membrane-localized PP2C.D phosphatases negatively regulate SAUR-mediated cell expansion in Arabidopsis

06/13/2018

research article

Evolution via recombination: Cell-to-cell contact facilitates larger recombination events in Streptococcus pneumoniae

In this study, Lauren A. Cowley and colleagues show that the homologous recombination form of horizontal gene transfer is more likely to happen in certain environments over others in Streptococcus pneumoniae. In particular, the authors show that this is more likely to happen in environments that closely mirror the nasopharynx which is the natural habitat of S. pneumoniae.

Image credit: Lauren A. Cowley and colleagues

Evolution via recombination: Cell-to-cell contact facilitates larger recombination events in Streptococcus pneumoniae

06/07/2018

research article

A neuronal MAP kinase constrains growth of a C. elegans sensory dendrite throughout the life of the organism

To learn how neurons control their size, McLachlan et al use a single dendrite in C. elegans, the oxygen-sensing neuron URX, to identify two genes that control its length. When these genes are disrupted, the dendrite develops correctly in embryos but then grows too much, eventually extending up to 1.5x its normal length.

A neuronal MAP kinase constrains growth of a C. elegans sensory dendrite throughout the life of the organism

Image credit: Ian G. McLachlan and colleagues

06/07/2018

review

Cancer epigenetics: Moving forward

Angela Nebbioso and colleagues review whether altered epigenetic landscapes are merely a consequence of chromatin modifier/remodeler aberrations or a hallmark of cancer etiology.

Cancer epigenetics: Moving forward

Image credit: Angela Nebbioso and colleagues

05/10/2018

Perspective

Moss genetics and the way forward

Neil Ashton comments on work by Xinxin Ding et al, who capitalize on the haploid growth-phase of the moss Physcomitrella patens to identify conditional loss-of-growth (CLoG) mutants with impaired growth at high temperature.

Moss genetics and the way forward

Image credit: Neil Ashton

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