Results 61 to 70 of about 2,710,018 (298)

Assessment of upper premolar morphological traits as reliable phylogenetic indicators [PDF]

open access: yes, 2002
Upper premolar size and cusp heteromorphy have been used in several studies that argue for alternative phyletic placements of early and middle Miocene fossil hominoids relative to extant primate clades.
Blundell, Louie Chantale
core  

Intrapatient tumour heterogeneity and clonal evolution in an autopsy study of metastatic salivary gland cancer

open access: yesMolecular Oncology, EarlyView.
Tumour heterogeneity and clonal evolution of metastatic salivary gland cancer were evaluated in two patients with adenoid carcinoma and one patient with myoepithelial carcinoma. Radiology‐guided autopsy enabled multi‐region sampling (total samples n = 149), followed by whole‐genome sequencing and phylogenetic reconstruction (17 tumour samples, 4–7 per ...
Gerben Lassche   +10 more
wiley   +1 more source

The complete mitochondrial genome of the blackskin catfish (Clarias meladerma: Clariidae) from Rokan River, Riau, Indonesia

open access: yesMitochondrial DNA. Part B. Resources
Clarias meladerma Bleeker, 1846, a native catfish species in Indonesia belonging to the family Clariidae. The present study the complete mitochondrial genome sequence of C. meladerma from the Rokan River was sequenced by using next-generation sequencing,
Huria Marnis   +9 more
doaj   +1 more source

Phylogenetic Position of the Genus Manunema (Nematoda, Plectida, Leptolaimidae)

open access: yesDiversity, 2023
During an investigation of a natural sandy beach on Jeju Island, South Korea, a species of marine nematode belonging to the rare genus Manunema was discovered and is now being reported.
Raehyuk Jeong, Alexei V. Tchesunov
doaj   +1 more source

Phylogenetic Codivergence Supports Coevolution of Mimetic Heliconius Butterflies [PDF]

open access: yes, 2012
The unpalatable and warning-patterned butterflies _Heliconius erato_ and _Heliconius melpomene_ provide the best studied example of mutualistic Müllerian mimicry, thought – but rarely demonstrated – to promote coevolution.
Michael Charleston   +3 more
core   +2 more sources

Spatial heterogeneity of hotspot mutations and clonal relatedness in ovarian endometrioid carcinoma

open access: yesMolecular Oncology, EarlyView.
Spatially resolved analysis revealed heterogeneous distributions of selected cancer‐associated mutations within ovarian endometrioid carcinomas. Shared mutations between paired endometrial and ovarian tumors supported clonal relatedness. These findings highlight the value of sampling multiple tumor regions when interpreting molecular profiles ...
Takahito Ashihara   +10 more
wiley   +1 more source

The complete mitochondrial genome of Lutjanus bohar (Actinopterygii, Lutjanidae)

open access: yesMitochondrial DNA. Part B. Resources
Lutjanus bohar Forsskål 1775, a large reef-associated fish species, is widely distributed across tropical and subtropical waters and is recognized as a significant commercial fishery resource. Here, the complete mitochondrial genome of L.
Xin Huang   +9 more
doaj   +1 more source

Molecular characterization of covRS mutations in M1UK Streptococcus pyogenes

open access: yesFEBS Open Bio, EarlyView.
Group A Streptococcus (GAS) acquires covRS mutations driving a hypervirulent bacterial state, frequently associated with invasive disease‐like necrotizing fasciitis. We demonstrate that the newly emerged M1UK GAS lineage can also acquire these mutations.
Jarrad Pritchard   +12 more
wiley   +1 more source

Phylogenetic Position of the Bacteria

open access: yesBotanical Gazette, 1921
The subject of the phylogenetic position of the bacteria has been approached by many students. Early workers came to no more diverse conclusions than do modern ones. Some investigators, for example NXGELI (24) and GdTSCHLICH (14), have placed the bacteria with the fungi, while COHN (9), MIGULA (22), and SACHS (26) placed them with the algae.
openaire   +2 more sources

Phylogenetic and developmental studies into the evolution of an insect novelty [PDF]

open access: yes, 2008
The insects possess one of the most instantly recognisable bodyplans. This thesis addresses the evolution of one characteristic feature of the insects: the intercalary segment of the head.
Economou, A.D., Economou, A D
core  

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