TEXT-EXTRACT 2 filename2.txt April 8, 2020 Oliver P. Peoples President & Chief Executive Officer Yield10 Bioscience, Inc. 19 Presidential Way Woburn, Massachusetts 01801 Re: Yield10 Bioscience, Inc. Registration Statement on Form S-3 Filed April 1, 2020 File No. 333-237539 Dear Dr. Peoples: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Sergio Chinos, Staff Attorney, at (202) 551-7844 with any questions. Sincerely, Division of Corporation Finance Office of Manufacturing cc: Megan N. Gates