linkedin post 2020-08-29 04:25:08

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FRAGMENT FROM NATURE contemplates for this and next weekend the exquisite story of floral symmetry and its impact on adaptation, pollination and speciation from a genetic perspective. The remarkable subtlety of gene expression by location, timing, concentration and upstream gene regulation in the endless evolutionary shifts of floral symmetries is a case study of the profoundly innovative and complex evolution of the merest biological feature. View in LinkedIn
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linkedin post 2020-08-28 03:43:21

linkedin post 2020-08-28 03:43:21

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NUANCED DISCRIMINATION. "Many signals modify the plant phenotype. Many abiotic signals are sensed by plants. For example, humidity, light, minerals, gravity, wind, snow melt, soil structure and composition, etc., and totaling about 20 in number, initiate phenotypic changes. Furthermore these signals are sensed and the intensity, the direction and the length of exposure are finely discriminated." http://link.springer.com/article/10.1007/s00114-005-0014-9 View in LinkedIn
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linkedin post 2020-08-30 03:03:53

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GENE EXPRESSION SHIFT. "In core eudicots, members of the CYC2 clade of ECE genes independently shift from equivalent dorsoventral expression across the corolla (either ubiquitously expressed or not expressed) in radially symmetric flowers to dorsally restricted expression in bilaterally symmetrical flowers." http://onlinelibrary.wiley.com/doi/10.1111/nph.13198/full View in LinkedIn
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