You are able to completely sequence a yeast gene, and find that all its SNAREs a

Question

You are able to completely sequence a yeast gene, and find that all its SNAREs are involved in backward transport recognition. Which model of protein transport does this support, vesicular transport or cisternal maturation. Why? Please explain your answer. You are able to completely sequence a yeast gene, and find that all its SNAREs are involved in backward transport recognition. Which model of protein transport does this support, vesicular transport or cisternal maturation. Why? Please explain your answer. You are able to completely sequence a yeast gene, and find that all its SNAREs are involved in backward transport recognition. Which model of protein transport does this support, vesicular transport or cisternal maturation. Why? Please explain your answer.

Explanation / Answer

This supports cisternal maturation model.

Explanation:-

First, the vesicular transport involves transport of vesicles in anterograde position, i.e. in forward direction.

Second, in cisternal maturation, backward transport recognition is seen in vesicles. v-SNAREs and t-SNAREs are present in Cis, median and trans Golgi , but each of them are different. v-SNAREs of trans golgi fuse with t-SNAREs of medial golgi while the v-SNAREs of medial golgi fuse with t-SNAREs of cis golgi. This aids backward transport.

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