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Taking shape – Naked Genetics 13.12.14

Flower (c) Audrey

Across the natural world, cells organise themselves into a wonderful array of shapes and structures. But how do they do this? Plus, building bones, plant sex in space, and a rather plump gene of the month.

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In this edition of Naked Genetics

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  • Nerve_cells (c)

    00:58 – Which way is up?

    Dr Veronica Grieneisen from the John Innes Centre in
    Norwich, is figuring out how cells know which way is up, and
    start to organise themsel

  • Pollen (c) Dartmouth Electron Microscope Facility, Dartmouth College

    04:33 – Pollen tubes are go!

    Anja Geitmann’s work has featured in the media with headlines
    such as “sex in space!” But what is she actually doing?

  • Roadside Snake Charmer - Agra, India (c) Gregor Younger

    09:00 – Snake genomes slither into view

    In a pair of papers published in the journal PNAS, two international teams of researchers have described the first full snake genomes.

  • Ancient hominids- Homo sapiens neanderthalensis (c) Luna04

    10:18 – Oldest Homo genome revealed

    Scientists have used new techniques to extract and analyse DNA from the oldest bones of human ancestors, dating from 400,000 years ago.

  • (c)

    11:46 – Modelling flowers

    Professor Jan Traas and his team at ENS in Lyon are using
    computer programmes to understand how flowers grow into
    their beautiful shapes.

  • Bone Fracture (c) Jmh649@en.wikipedia

    17:23 – Building bones

    Professor James Sharpe is using mathematical models to
    understand how vertebrates like mammals and birds build a
    skeleton.

  • wheat (c) Myrabella

    24:43 – Does eating GM food make you GM too?

    I know it’s been estimated that the human body re-generates itself almost completely every 7 odd years or so (except, I hear, the brain which remains as it is – I never followed on with Biology).

    If the adage that “You are what you eat” applies and if one were to *only* eat ge…

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