Search for: All records

ABSTRACT Here, we present the chloroplast genome sequence of Quercus agrifolia Née, the California live oak, an ecologically important oak species along the coast of California. The genome is 161,283 bp in length, encodes 132 genes, and has a high level of gene synteny to other Fagaceae. 

ABSTRACT Here, we present the complete chloroplast genome sequence of Toxicodendron diversilobum , western poison oak, from Pacific Grove, California. The genome is 159,543 bp in length, contains 133 genes, and has a high level of gene synteny to other species of Toxicodendron . 

ABSTRACT We present the complete chloroplast genome sequence of an endophytic Ostreobium sp. isolated from a 19th-century coralline red algal specimen from St. Croix, U.S. Virgin Islands. The chloroplast genome is 84,848 bp in length, contains 114 genes, and has a high level of gene synteny to other Ostreobiaceae. 

ABSTRACT Here, we present the complete chloroplast genomes of Quercus × morehus , Q. wislizeni , and Q. kelloggii from California. The genomes are 161,119 to 161,130 bp and encode 132 genes. Quercus × morehus and Q. wislizeni are identical in sequence but differ from Q. kelloggii by three indels and eight SNPs. 

Molecular surveys are leading to the discovery of many new cryptic species of marine algae. This is particularly true for red algal intertidal species, which exhibit a high degree of morphological convergence.DNAsequencing of recent collections ofGelidiumalong the coast of California,USA, identified two morphologically similar entities that differed inDNAsequence from existing species. To characterize the two new species ofGelidiumand to determine their evolutionary relationships to other known taxa, phylogenomic, multigene analyses, and morphological observations were performed. Three complete mitogenomes and five plastid genomes were deciphered, including those from the new species candidates and the type materials of two closely related congeners. The mitogenomes contained 45 genes and had similar lengths (24,963–24,964 bp). The plastid genomes contained 232 genes and were roughly similar in size (175,499–177,099 bp). The organellar genomes showed a high level of gene synteny. The twoGelidiumspecies are diminutive, turf‐forming, and superficially resemble several long established species from the Pacific Ocean. The phylogenomic analysis, multigene phylogeny, and morphological evidence confirms the recognition and naming of two new species, describe herein asG. gabrielsoniiandG. kathyanniae. On the basis of the monophyly ofG. coulteri,G. gabrielsonii,G. galapagense, andG. kathyanniae, we suggest that this lineage likely evolved in California. Organellar genomes provide a powerful tool for discovering cryptic intertidal species and they continue to improve our understanding of the evolutionary biology of red algae and the systematics of the Gelidiales.