Ansa Razzaq

ORCID: 0000-0001-9845-2029
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About
Contact & Profiles
Research Areas
  • Neurobiology and Insect Physiology Research
  • Retinal Development and Disorders
  • Photoreceptor and optogenetics research
  • Glycogen Storage Diseases and Myoclonus
  • Mitochondrial Function and Pathology
  • Metabolism and Genetic Disorders

Columbia University
2022

University of Massachusetts Boston
2021

New York University
2015

The final identity and functional properties of a neuron are specified by terminal differentiation genes, which controlled specific motifs in compact regulatory regions. To determine how these sequences integrate inputs from transcription factors that specify cell types, we compared the mechanism Drosophila Rhodopsin genes expressed subsets photoreceptors to phototransduction broadly, all photoreceptors. Both sets share an 11-base pair (bp) activator motif. Broadly contain palindromic...

10.1126/science.aab3417 article EN Science 2015-12-03

Color vision in Drosophila melanogaster is based on the expression of five different color-sensing Rhodopsin proteins distinct subtypes photoreceptor neurons. Promoter regions less than 300 base pairs are sufficient to reproduce unique, subtype-specific rhodopsin patterns. The underlying cis -regulatory logic remains poorly understood, but it has been proposed that promoters have a bipartite structure: distal promoter region directs highly restricted specific subtype, while proximal core...

10.1371/journal.pgen.1009613 article EN cc-by PLoS Genetics 2021-06-23
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