January 18, 2022

Science

The world of science and technology

Why Do Strawberries Have Eight Copies of Their Genes

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Strawberries are delicious, but for a molecular biologist, they’re also very difficult.

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Sources:

Encyclopedia Britannica “Polyploidy” https://www.britannica.com/science/polyploidy
Nature SciTable “Polyploidy” https://www.nature.com/scitable/topicpage/polyploidy-1552814/#
Hardigan et al. 2020 “Genome Synteny Has Been Conserved Among the Octoploid Progenitors of Cultivated Strawberry Over Millions of Years of Evolution” https://doi.org/10.3389/fpls.2019.01789
Liston et al 2019. “Revisiting the origin of octoploid strawberry” https://www.nature.com/articles/s41588-019-0543-3
Edger et al 2019. “Reply to: Revisiting the origin of octoploid strawberry” https://www.nature.com/articles/s41588-019-0544-2
Zhang et al 2019 “Plant Polyploidy: Origin, Evolution, and Its Influence on Crop Domestication” https://www.sciencedirect.com/science/article/pii/S2468014119301980
https://www.genome.gov/Pages/Education/Modules/StrawberryExtractionInstructions.pdf
https://www.gardeningknowhow.com/edible/fruits/strawberry/growing-strawberry-runners.htm#:~:text=What%20are%20Strawberry%20Plant%20Runners,dry%20up%20and%20shrivel%20away
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4374564/
https://link.springer.com/article/10.1007/s11295-014-0773-6
https://www.nature.com/articles/s41438-020-0252-1#:~:text=The%20cultivated%20strawberry%20(Fragaria%20%C3%97,sensory%20qualities%20and%20health%20benefits
https://www.nature.com/articles/43815
https://www.journals.uchicago.edu/doi/abs/10.1086/285130?journalCode=an
https://blogs.scientificamerican.com/artful-amoeba/for-plants-polyploidy-is-not-a-four-letter-word/
http://www.adfg.alaska.gov/index.cfm%3Fadfg%3Dfishinggeneconservationlab.triploid_trout

How do seedless watermelons get that way?

Images

https://www.istockphoto.com/photo/vd700-straberry-blossom-gm1054095518-281645742
https://www.istockphoto.com/photo/straberries-plant-propagation-gm503838630-82798931
https://www.istockphoto.com/photo/sago-palm-or-cycas-in-an-very-old-kind-of-tree-gm1212324905-351898573
https://commons.wikimedia.org/wiki/File:Karyotype_of_nine-banded_armadillo.png
https://www.istockphoto.com/photo/fresh-strawberries-background-gm477834644-66944023
https://www.istockphoto.com/photo/fresh-watermelon-pieces-gm96768336-6866718
https://www.istockphoto.com/photo/human-chromosomes-illustration-gm628915424-111768335
https://www.istockphoto.com/photo/delicious-fruit-salad-on-a-plate-on-table-gm1298307574-391190281

Science News Source: SciShow