Amino acid assimilation 1 Journal Article 1 N762921K75 1 Nitrogen 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 legume 1 mehr ... nitrogen and carbon metabolism 1 phloem loading 1 photoassimilate partitioning 1 seed development 1 source-to-sink transport 1 soybean 1 ureide transporter function weniger ...