linkedin post 2019-11-02 06:20:09

linkedin post 2019-11-02 06:20:09

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NUANCED ORIGINS. “Although the carpel appears to be a modified leaf, it may be more directly related to sporophylls, or leaves that carry spore-producing organs. As the carpel is female, it has traditionally been regarded as derived from megasporophylls that would have subtended ovules in the pre-angiosperm lineage. Accordingly, the carpel would be directly homologous to such gymnosperm organs as the female cone scales of conifers.” https://academic.oup.com/jxb/article/57/10/2143/471376/An-evolutionary-perspective-on-the-regulation-of View in LinkedIn
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linkedin post 2019-11-02 06:18:04

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FROM LEAF TO CARPEL. “Carpels, along with the other principal floral organs, have for long been postulated to be modified from a leaf ground plan. Relatively recent experimental evidence supports this view: floral organs are converted to leaves in plants in which all of the A, B and C function genes, or the redundant E-function genes, are inactivated.” https://academic.oup.com/jxb/article/57/10/2143/471376/An-evolutionary-perspective-on-the-regulation-of View in LinkedIn
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linkedin post 2019-11-03 06:29:31

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OTHER ADVANTAGES. “Syncarpy also allows for the production of larger fruits, with potentially more complex and efficient seed dispersal mechanisms. Finally, a syncarpic gynoecium may require a lesser energy input for cell wall production, compared to an apocarpic gynoecium of similar size.” https://lnkd.in/dN-h-K2 View in LinkedIn
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linkedin post 2019-11-03 06:26:06

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SINGLE FEMALE STRUCTURES. “Carpel fusion confers numerous advantages on syncarpic species, of which one of the most important is the provision of a compitum: a tissue that acts as an interchange between the entire stigmatic surface and the ovary, thus allowing any pollen tube to access any ovule.“ https://lnkd.in/dN-h-K2 View in LinkedIn
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linkedin post 2019-11-03 06:21:33

linkedin post 2019-11-03 06:21:33

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MURKY EVOLUTION HISTORY. “Little is known of how stigma, style, and ovary differentiation occurs in model plants, and certainly there is no information on how these processes first evolved.” https://academic.oup.com/jxb/article/57/10/2143/471376/An-evolutionary-perspective-on-the-regulation-of View in LinkedIn
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linkedin post 2019-11-04 06:57:54

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1ST DRIVE. “The efficiency drive leads to algorithm optimization, data compression, atomically precise physical structures, reversible computation, adiabatic physical action, and the virtualization of the physical. It also governs a system’s choice of memories, theorems, language, and logic.” https://lnkd.in/dAGQTQs View in LinkedIn
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