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Subjects nucleotide sequences Remove constraint nucleotide sequences: nucleotide sequences Year 2007 Remove constraint 2007: 2007 Authors Van Berkum, P. Remove constraint Van Berkum, P.: Van Berkum, P.

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1. Comparison of rhizobia that nodulate Medicago laciniata and Medicago truncatula present in a single Tunisian arid soil

Description:: Includes references
Author:: Badri, Y. , Zribi, K. , Badri, M. , Huguet, T. , Van Berkum, P. , Aouani, M.E.
Subject:: Medicago , Medicago truncatula , nodulation , Sinorhizobium meliloti , ribosomal RNA , genes , restriction fragment length polymorphism , nucleotide sequences , host specificity , arid soils , Tunisia
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007

2. Heavy metal resistance and genotypic analysis of metal resistance genes in gram-positive and gram-negative bacteria present in Ni-rich serpentine soil and in the rhizosphere of Alyssum murale

Description:: Includes references
Author:: Abou-Shanab, R.A.I. , Van Berkum, P. , Angle, J.S.
Subject:: Alyssum murale , rhizosphere , soil bacteria , serpentine soils , Gram-positive bacteria , Gram-negative bacteria , heavy metals , metal tolerance , nickel , nucleotide sequences , genes , genotype , polymerase chain reaction , mercury , zinc , chromium , cultured cells
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007

3. The genetic diversity of rhizobia associated with Dalea purpurea Vent. in fragmented grasslands of west-central Minnesota

Description:: Includes references
Author:: Mártir, M.C. , Tlusty, B. , Van Berkum, P. , Graham, P.H.
Subject:: Dalea purpureum , root nodules , Rhizobium , species diversity , ribosomal RNA , genes , nucleotide sequences , polymerase chain reaction , biogeography , habitat fragmentation , prairies , Minnesota
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007