PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11725952-10 2001 The class 2 haemoglobin gene (GLB2) is expressed in the roots, leaves and inflorescence and can be induced in young plants by cytokinin treatment in contrast to the class 1 gene (GLB1) which is active in germinating seedlings and can be induced by hypoxia and increased sucrose supply, but not by cytokinin treatment. Cytokinins 126-135 hemoglobin 2 Arabidopsis thaliana 30-34