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SUMMARY:Mechanisms underlying colour pattern variation within and between 
 species of cichlid fishes - Emilia Santos\, Department of Zoology
DTSTART:20240311T143000Z
DTEND:20240311T153000Z
UID:TALK210919@talks.cam.ac.uk
CONTACT:Jia CHEN
DESCRIPTION:The genetic basis of the emergence and maintenance of morpholo
 gical variation in natural populations remains largely uncharacterised. We
  address this question in a highly diverse vertebrate model system\, cichl
 id fishes. We specifically focus on variation of a set of brightly pigment
 ed egg-spots on male anal fins that play a key role in the territorial and
  breeding behaviour of around 1\,500 species of cichlids. Using both intra
  and inter-specific genomic comparisons\, but also detailed characterisati
 ons of trait development\, we identified both genetic\, cellular and plast
 ic factors underlying variation in this sexually selected trait. Interesti
 ngly\, the loci associated with variation within species do not overlap wi
 th inter-specific mapping approaches\, suggesting that in this system vari
 ation within populations does not contribute to variation between species.
  The identified loci are known to be involved in the physiology and develo
 pment of pigment cells\, we will discuss the progress of the genetic and d
 evelopmental dissection of candidate gene function and trait ontogeny.\n\n
 Join Zoom Meeting \n\n\nhttps://us06web.zoom.us/j/82089026611?pwd=L2FyclJF
 L2lYR0J3SFBDbHQyUFp6UT09 \n\n  \n\nMeeting ID: 820 8902 6611 \n\nPasscode:
  038347 \n\n
LOCATION:in person at Sainsbury Laboratory and online
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