An adapted form of photosynthesis where CO2 is first fixed into a 4-carbon compound before being concentrated around RuBisCO. This pathway reduces photorespiration and increases efficiency in hot, dry conditions.
Named for the first stable product - a 4-carbon molecule like malate or aspartate. Discovered in the 1960s by Australian scientists studying sugarcane, this pathway was initially called the Hatch-Slack pathway after its discoverers.
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