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Dating the origin of the Orchidaceae from a fossil orchid with its pollinator
TLDR
An exquisitely preserved orchid pollinarium attached to the mesoscutellum of an extinct stingless bee recovered from Miocene amber in the Dominican Republic, that is 15–20 million years old, constitutes both the first unambiguous fossil of Orchidaceae and an unprecedented direct fossil observation of a plant–pollinator interaction.
Exploring genetic variation in the tomato (Solanum section Lycopersicon) clade by whole-genome sequencing.
TLDR
Results suggest that phylogenetic relationships are correlated with habitat, indicating the occurrence of geographical races within these groups, which is of practical importance for Solanum genome evolution studies.
Epiphytism and pollinator specialization: drivers for orchid diversity?
TLDR
Whether orchids managed to radiate so explosively owing to their predominantly epiphytic habit and/or their specialized pollinator systems is investigated by testing these hypotheses from a statistical and phylogenetic standpoint and Repeated associations between a small body size, short life cycle and specialized clinging roots of twigEpiphytes in Bulbophyllinae and Oncidiinae were discovered.
The Complete Chloroplast Genome of 17 Individuals of Pest Species Jacobaea vulgaris: SNPs, Microsatellites and Barcoding Markers for Population and Phylogenetic Studies
TLDR
This is the first study in which the chloroplast genome of that many individuals within a single species was sequenced and single-nucleotide polymorphisms (SNPs) and microsatellites were found.
Evolution of endemism on a young tropical mountain
TLDR
This investigation of the evolutionary routes to endemism on the 4,095-metre-high Mount Kinabalu in Sabah, East Malaysia finds that most of its unique biodiversity is younger than the mountain itself, and comprises a mix of immigrant pre-adapted lineages and descendants from local lowland ancestors, although substantial shifts from lower to higher vegetation zones in this latter group were rare.
Tackling speciose genera: species composition and phylogenetic position of Senecio sect. Jacobaea (Asteraceae) based onplastid and nrDNA sequences.
TLDR
This section was traditionally circumscribed as a group of European, biennial, or perennial herbs with pinnately incised leaves, but the results of this study show that one annual species, a species from northeastern Asia, and a species growing in the Himalayas are members of sect.
Collection and trade of wild-harvested orchids in Nepal
TLDR
Collection of wild orchids was found to be widespread in Nepal, but illegal trade is threatening many species in the wild, and establishment of small-scale sustainable orchid breeding enterprises could be a valuable alternative for the production of medicinal orchides for local communities.
Herbarium genomics: plastome sequence assembly from a range of herbarium specimens using an Iterative Organelle Genome Assembly pipeline
TLDR
It is concluded that routine plastome sequencing from herbarium specimens is feasible and cost-effective (compared with Sanger sequencing orplastome-enrichment approaches), and can be performed with limited sample destruction.
Molecular phylogeny of Coelogyne (Epidendroideae; Orchidaceae) based on plastid RFLPS, matK, and nuclear ribosomal ITS sequences: evidence for polyphyly.
TLDR
Compared with Coelogyninae, Coelogyne is polyphyletic, with species falling into at least two well-supported clades, and a reorganization of the genus by including Neogyna and Pholidota and removing several species is proposed.
The Contribution of DNA Metabarcoding to Fungal Conservation: Diversity Assessment, Habitat Partitioning and Mapping Red-Listed Fungi in Protected Coastal Salix repens Communities in the Netherlands
TLDR
The first kingdom-wide fungal diversity assessment in S. repens coastal dune vegetation detects numerous red listed species in samples often from previously unknown locations, indicating that some of the fungal species currently considered rare may be more abundant in Dutch S.repens communities than previously thought.
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