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Models of rotating stars at Z = 5×10−4 and 10−5 with masses between 2.5 and 7 M ⊙ are computed from the pre-main sequence up to the end of the asymptot ic giant branch phase (AGB). We discuss the impact of rotation on nucleosynthesis. We sho w t at it plays a major role during the phase of central He-burning. Rotational-induced mixin g transports indeed freshly produced carbon and oxygen into the H-burning shell where some new pri mary elements are synthesized. In the most massive early-AGB stars, those elements are reve aled at the surface during the second dredge-up event. We also follow the changes in surface and wi composition due to the interplay between third dredge-up and hot bottom burning during the TP -AGB phase. We present the final stellar yields and discuss our predictions in the context of the chemical anomalies seen in galactic globular clusters.

Nucleosynthesis and mixing in rotating AGB stars at low metallicity.