Hydrangea macrophylla is a flowering plant that changes color of the bloom in response to soil pH. Ferdoush et al. demonstrate a metaphorical mimicry of such a phenomenon at the level of gene activation, where the activator in budding yeast functionally alternates between coactivators, SAGA and NuA4, in response to inorganic phosphate in the growth medium to promote transcription of a high-affinity inorganic phosphate transporter gene, PHO84. Image courtesy of Arpan Roy. See Ferdoush et al. GENETICS 208: 191–205.

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Community Voices

TAGC Keynote Speaker Snapshot: Cassandra Extavour

Get to know the TAGC 2020 Keynote Speakers through our interview series. Cassandra Extavour obtained an Honors BSc at the University of Toronto with a specialist in Molecular Genetics and Molecular Biology. She obtained her PhD with Antonio Garcia Bellido at the Severo Ochoa Center for Molecular Biology at the Autonomous University of Madrid. She […]

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by Sarah Bay

Genomic Outcomes of Haploid Induction Crosses in Potato (Solanum tuberosum L.) [Genome Integrity and Transmission]

The challenges of breeding autotetraploid potato (Solanum tuberosum) have motivated the development of alternative breeding strategies. A common approach is to obtain uniparental dihaploids from a tetraploid of interest through pollination with S. tuberosum Andigenum Group (formerly S. phureja) cultivars. The mechanism underlying haploid formation of these crosses is unclear, and questions regarding the frequency of paternal DNA transmission remain. Previous reports have described aneuploid and euploid progeny that, in some cases, displayed genetic markers...

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by Amundson, K. R., Ordonez, B.,...

Genetic Analysis of the Transition from Wild to Domesticated Cotton (Gossypium hirsutum L.)

The evolution and domestication of cotton is of great interest from both economic and evolutionary standpoints. Although many genetic and genomic resources have been generated for cotton, the genetic underpinnings of the transition from wild to domesticated cotton remain poorly known. Here we generated an intraspecific QTL mapping population specifically targeting domesticated cotton phenotypes. We used 466 F2 individuals derived from an intraspecific cross between the wild Gossypium hirsutum var. yucatanense (TX2094) and the elite...

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by Grover, C. E., Yoo, M.-J.,...

Close-up view of a wild-type Junonia coenia wing eyespot pattern. Zhang et al. used CRISPR mutagenesis to interfere with the genetic machinery necessary for making melanin pigments in the colored scales of the butterfly wing. See Zhang et al.

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Jennifer Solis, Northwestern University

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