article_snippet: The research, published in the journal Current Biology, was led by the University of Sao Paulo.
article_snippet: This level of control helps them 'save energy' during hours of daylight when them do not need to grow.
article_snippet: Without them, cellulose would be stuck in cellulose form, which would impact the whole carbon cycle on Earth,' said Dr  Stevani. '
article_snippet: I dare to say that life on Earth depends on organisms like these.'
highlights_snippet: 'I dare to say that life on Earth depends on organisms like these,' said one of the researchers, Dr Stevani .