Zobrazeno 1 - 10 of 22 pro vyhledávání: '"Steven P. Darwin"'
1
A Taxonomic Revision of Timonius Subgen. Pseudobobea (Valeton) S. P. Darwin (Rubiaceae)
Autor: Steven P. Darwin
Publikováno v: Candollea. 65:217-240
DARWIN, S. P. (2010). A taxonomic revision of Timonius subgen. Pseudobobea (Valeton) S. P. Darwin (Rubiaceae). Candollea 65: 217–240. In English, English and French abstracts. Twenty-one species, distributed from Sulawesi (Indonesia) to Rossel Isla
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::739d1f8285656edef49adb74b53a1e01
https://doi.org/10.15553/c2010v652a5
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2
Six new species of Timonius (Rubiaceae: Guettardeae) from Papuasia
Autor: Steven P. Darwin
Publikováno v: Brittonia. 62:126-136
Six new species of Timonius (T. alius, T. bosaviensis, T. creber, T. cyathicalyx, T. insularis, and T. pullenii) are described from New Guinea and surrounding islands. The new species are illustrated and notes are provided on their habitat, distribut
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b73a775627af5324eea415b5438b37e
https://doi.org/10.1007/s12228-009-9102-z
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3
Anticancer and chemosensitizing abilities of cycloviolacin O2 from Viola odorata and psyle cyclotides from Psychotria leptothyrsa
Autor: Geetika Chakravarty, Samantha L. Gerlach, Ramesh Rathinakumar, Debasis Mondal, Ulf Göransson, Steven P. Darwin, William C. Wimley
Publikováno v: Biopolymers. 94:617-625
Cycloviolacin O2 (CyO2), a cyclotide from Viola odorata (Violaceae) has antitumor effects and causes cell death by membrane permeabilization. In the breast cancer line, MCF-7 and its drug resistant subline MCF-7/ADR, the cytotoxic effects of CyO2 (0.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::207d78c3703571fbeb9d849c9ca586a1
https://doi.org/10.1002/bip.21435
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4
Genetic and historical relationships among geothermally adapted Agrostis (bentgrass) of North America and Kamchatka: evidence for a previously unrecognized, thermally adapted taxon
Autor: Michael T. Tercek, Donald P. Hauber, Steven P. Darwin
Publikováno v: American Journal of Botany. 90:1306-1312
Agrostis species have been known to evolve ecotypes rapidly in response to unusual edaphic conditions. The geographic distribution of Agrostis taxa in Lassen Volcanic National Park (California) and Yellowstone National Park (Wyoming) in the United St
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c04a02a8ab819dffe7f024a75b81b3d
https://doi.org/10.3732/ajb.90.9.1306
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5
Vegetation and Elevational Gradients within a Bottomland Hardwood Forest of Southeastern Louisiana
Autor: Dennis P. Wall, Steven P. Darwin
Publikováno v: The American Midland Naturalist. 142:17-30
Twelve belt transects were used to sample woody vegetation in a 110-y-old regrowth forest on a natural levee ridge bordering Bayou Sauvage, Orleans Parish, Louisiana. Elevation was measured along each transect and species flood tolerances, based upon
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f251417956698353ee3d58f7b8e3951e
https://doi.org/10.1674/0003-0031(1999)142[0017:vaegwa]2.0.co
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6
Inexpensive digital data acquisition for morphometric study
Autor: Steven P. Darwin, Paul J. Kores, Mia Molvray
Publikováno v: TAXON. 42:393-397
Three programs for digital (i.e. not requiring RGB video input) image analysis on IBM-PC compatible computers, and one on Macintosh computers, are discussed with regard to their use in morphometric applications. Measurement-TV provides a least-cost s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e8766b0a2bdc5c971e3235206840c75
https://doi.org/10.2307/1223148
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7
Anticancer and chemosensitizing abilities of cycloviolacin 02 from Viola odorata and psyle cyclotides from Psychotria leptothyrsa
Autor: Samantha L, Gerlach, Ramesh, Rathinakumar, Geetika, Chakravarty, Ulf, Göransson, William C, Wimley, Steven P, Darwin, Debasis, Mondal
Publikováno v: Biopolymers. 94(5)
Cycloviolacin O2 (CyO2), a cyclotide from Viola odorata (Violaceae) has antitumor effects and causes cell death by membrane permeabilization. In the breast cancer line, MCF-7 and its drug resistant subline MCF-7/ADR, the cytotoxic effects of CyO2 (0.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f96744d9e722929bb4d3ac589fd50895
https://pubmed.ncbi.nlm.nih.gov/20564026
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8
New Species of the Timonius flavescens Alliance (Rubiaceae: Guettardeae) in Papuasia
Autor: Steven P. Darwin, M.F. Kinnaird
Publikováno v: Systematic Botany. 22:85
Nine Papuasian species of Timonius are considered to be close relatives of T. flavescens; all have subvalvate stipules, usually prominent leaf domatia, reticulate leaf venation, and bracteate inflores
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7fe7dfef9b08d520b3cd86aa9436638b
https://doi.org/10.2307/2419678
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10
Morphometric Variation in Three Species of Cyrtostylis (Orchidaceae)
Autor: P. J. Kores, Steven P. Darwin, Mia Molvray
Publikováno v: Systematic Botany. 18:274
Character choice in the delimitation of Cyrtostylis oblonga, C. reniformis, and C. robusta, orchid species in the Acianthinae, was evaluated using morphometric methods, specifically canonical variates analysis of several traditional measurements, thi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cda36d35fda298b794adb7983bab7beb
https://doi.org/10.2307/2419403
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