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Opinion articles in BMC Biology allow authors to present a particular perspective on a topic of current interest. For example, topics might include emerging models to explain biological phenomena, or viewpoints on how to address challenges in a particular field. Opinion articles should be backed up by a solid grounding in the published literature and are not intended for largely speculative or hypothetical discussions.

Most Opinions are commissioned by the BMC Biology editors and we do not encourage uncommissioned submissions for this type of article. However, potential authors are welcome to email a presubmission enquiry to

All Opinions published by BMC Biology are peer reviewed.

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