Differences in the length of the chloroplast genome between strains of the same specie

The phrase I don't understand, Myrna Cardenas.


I don't see a relationship between the two things. The one thing I can think of but would need to be verified is that the long the genome, the longer it would take to repair damaged DNA.

However, the problem with the idea is that DNA repair pathways are not dependent on genomic length. The five major DNA repair pathways include base excision repair, nucleotide excision repair, mismatch repair, homologous recombination, and non-homologous end joining. The latter two are found in prokaryotes such as bacteria, and presumably chloroplast DNA. None the less, these are active throughout different stages of the cell cycle, allowing the cells to repair the DNA damage.


Sorry, I don't understand the question. Are you asking about DNA repair in chloroplasts or microalgae?

Well my initial question is why are there differences between the genomic architecture of different strains of the same species? these strains of microalgae were isolated under very similar salinity conditions so I don't understand the differences between the lengths

Hi myrnac09

I hope I don't sound dumb probing you on this, but you didn't specify in your clarification post above whether you meant the chloroplast DNA within the algae or the microalgae DNA itself -- the question is still unclear to me.

Update:

I just read your new topic, it's the chloroplast we're concerned about.


I'll continue the other thread and respond to it soon... https://biology-forums.com/index.php?topic=1970220.0.msg5150457#msg5150457

Thanks a lot, sorry for the confusion