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Young Leaf Chlorosis 2 encodes the stroma-localized heme oxygenase 2 which is required for normal tetrapyrrole biosynthesis in rice.

Planta - 1 Oct 2014

Li Qingzhu, Zhu Fu-Yuan, Gao Xiaoli, Sun Yi, Li Sujuan, Tao Yuezhi, Lo Clive, Liu Hongjia

Abstract excerpt

MAIN CONCLUSION: Rice heme oxygenase 2 (OsHO2) mutants are chlorophyll deficient with distinct tetrapyrrole metabolite and transcript profiles, suggesting a potential regulatory role of the stromal-localized OsHO2 in tetrapyrrole biosynthesis. In plants, heme oxygenases (HOs) are classified into the subfamilies HO1 and HO2. HO1 are highly conserved plastid enzymes required for synthesizing the chromophore in...

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PMID: 25037719
DOI: 10.1007/s00425-014-2116-0

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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