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Fig. 5 | BMC Plant Biology

Fig. 5

From: The pennycress (Thlaspi arvense L.) nectary: structural and transcriptomic characterization

Fig. 5

Pennycress genes likely involved in nectar synthesis and secretion. The primary steps of nectar production in Arabidopsis are starch degradation, sucrose biosynthesis,

sucrose export via SWEET9, and extracellular hydrolysis by CELL WALL INVERTASE4. Putative pennycress orthologs to these genes, or representative enzymes involved in each of these steps, were identified from RNA-seq-derived contigs. The gene abbreviation, gene number, and expression ratio between mature and immature nectaries are listed (Mat/Imm). BAM, β-amylase; SUS, sucrose synthase. Each of these loci were significantly (p < 0.05) more highly expressed in mature over immature nectaries

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