News Climate Meet Chonkus, the mutant cyanobacteria that could help sink climate change This hulking mutant of Synechococcus elongatus stores more carbon and sinks more quickly than other strains Chonkus, a mutant strain of cyanobacteria seen here in a microscopy image, contains large white spots that appear to be carbon-dense granules. Those granules may explain why the cyanobacterium grows so large in a carbon-rich environment — and why it sinks so quickly. Wyss Institute at Harvard University Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Carolyn Gramling November 7, 2024 at 3:00 pm Stand back, ordinary ocean-dwelling, oxygen-spewing organisms: There’s a new green, hulkish mutant in town.