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Amino Acid Utilization in Seeds of Loblolly Pine during Germination and Early Seedling Growth: I. Arginine and Arginase ActivityDownload
Abstract: The mobilization and utilization of the major storage proteins in loblolly pine (Pinus taeda L.) seeds following imbibition were investigated. Most of the seed protein reserves were contained within the megagametophyte. Breakdown of these proteins occurred primarily following radicle...
Structural and Biochemical Changes in Loblolly Pine (Pinus taeda L.) Seeds During Germination and Early-Seedling Growth. I. Storage Protein ReservesDownload
Abstract: Quantitative and qualitative changes in the storage proteins of loblolly pine (Pinus taeda L.) seeds were followed during germination and early-seedling growth and were correlated with light-microscopic observations. In both the megagametophyte and the embryo, the cells of tissues from...
Structural and Biochemical Changes in Loblolly Pine (Pinus taeda L.) Seeds during Germination and Early Seedling Growth. II. Storage Triacylglycerols and CarbohydratesDownload
Abstract: Triacylglycerols (TAGs) comprised 59% of the total storage reserve in mature loblolly pine (Pinus taeda L.) seeds; 80% of these TAGs were stored in the megagametophyte. The TAG breakdown in the seedling was initiated before radicle emergence (during germination), while in the...