Ge Genomic d c divi vision o of l labo bor du during co g - - PowerPoint PPT Presentation

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Jan 29, 2024 279 likes •450 views

Ge Genomic d c divi vision o of l labo bor du during co g colony de y defense i in a a gent gentle le Afric fricanized anized honey honey bee. bee. Presented by: Arin Avalos Colony defense is a complex behavior derived from

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Ge Genomic d c divi vision o

  • f l

labo bor du during co g colony de y defense i in a a gent gentle le Afric fricanized anized honey honey bee. bee.

Presented by: Arián Avalos

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  • Colony defense is a complex behavior derived from individual actions.
  • In honey bees, different groups of individuals participate, arriving at a

concerted aggressive response.

  • Differences in genetics within colonies has been linked to colony defense

(Page and Robinson, 1988).

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SLIDE 3
  • Africanized bees in Puerto Rico recently,

rapidly evolved, becoming gentler (gAHB) within 20 generations (Rivera-Marchand et al.,

2012).

  • The change was mediated by a soft

selective sweep (Avalos & Pan et al., 2017)

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Naïve Foragers n = 10 Stinging Soldiers n = 10 Pursuers n = 10 Post-Test Foragers n = 10

n = 13

Number of Stings Behavioral Ranking Assay

  • Collected at leather patches in

front of the colony over a period of 2 min post-disturbance

  • Collected around researchers

after stepping ~3 m from the colony

  • Collected returning to the

colony ~30 min post- disturbance.

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Naïve Foragers n = 10 Stinging Soldiers n = 10 Pursuers n = 10 Post-Test Foragers n = 10

  • A total of 200 samples were processed and sequenced,

100 from each of the target groups.

Photos by: Alex Wild

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SLIDE 7

Number of Stings Behavioral Ranking Assay

Photos by: Alex Wild

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SLIDE 8

Photos by: Alex Wild

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SLIDE 9

Photos by: Alex Wild

  • Log10 (p-value)
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SLIDE 10

Photos by: Alex Wild

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SLIDE 11

Photos by: Alex Wild

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  • We identified 257 genes in our analysis, 56 of which also had strong signal
  • f positive selection.
  • Genes on this list were significantly enriched for terms associated with

immunoglobulin domain.

  • Our top candidate was the orthologue of Drosophila defective proboscis

response 4 (dpr4) gene.

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Geno Genotype pe (AA, AB, BB)

Be Behavior

Photos by: Alex Wild

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Ackn knowledgments

  • Co

Collaborators and Co Contributors

  • Miaoquan Fang
  • Hailin Pan
  • Amy Ahmed-Cash
  • Aixa Ramirez Lluch
  • Fanfan Noel
  • Gloria Rendon
  • Chris Fields
  • Tugrul Giray
  • Gene E. Robinson
  • Matthew E. Hudson
  • Guojie Zhang
  • Fund

Funding ng So Sour urces es:

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SLIDE 15

Questions?

Photo: http://ahealthylifeforme.com/how-to-set-up-a-beehive/

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