The majority of proteins located in mitochondria are not encoded by mtDNA, they are encoded by genes in the nucleus and are imported into the mitochondria after their synthesis in the cytosol.

TLS Online TPP Program

#Id: 7378

#Unit 5. Developmental Biology

Par-1 protein organizes microtubules specifically with their minus and plus ends at the anterior and posterior ends of the oocyte, respectively

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#Id: 7379

#Unit 5. Developmental Biology

Bicoid mRNA binds to dynein, a “minus-directed” motor protein associated with the nongrowing end of microtubules; dynein moves the bicoid mRNA to the anterior end of the egg. 

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#Id: 7380

#Unit 5. Developmental Biology

Oskar mRNA becomes complexed to kinesin I, a “plus-directed” motor protein that moves it toward the growing end of the microtubules at the posterior region, where Oskar protein can bind nanos mRNA

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#Id: 7381

#Unit 5. Developmental Biology

The inhibition of Oskar translation is mediated by two proteins- 

Bruno

Cup

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#Id: 7382

#Unit 5. Developmental Biology

TLS Online TPP Program

#Id: 7383

#Unit 5. Developmental Biology