Results 11 to 20 of about 1,831 (55)

Studies and application of the enzymes of fluorometabolite biosynthesis in Streptomyces cattleya [PDF]

open access: yes, 2010
This thesis focuses on studies investigating the structure of intermediates involved in fluorometabolite biosynthesis, and the potential applications of the fluorinase enzyme in positron emission tomography (PET). Chapter 1 introduces the rare natural
Onega, Mayca
core   +2 more sources

In vitro studies of the enzymes involved in fluorometabolite biosynthesis in Streptomyces cattleya [PDF]

open access: yes, 2009
Enzymatic fluorination of natural products is extremely rare. Of the 4000 halogenated natural products identified, only 13 possess a fluorine atom. The C-F bond forming enzyme from the soil bacterium, Streptomyces cattleya, remains the only native enzyme
Cross, Stuart M
core   +2 more sources

Asymbiotic seed germination and in vitro seedling development of cattleya mendelii dombrain (orchidaceae) [PDF]

open access: yes, 2012
Cattleya mendelii is an endemic orchid species from Colombia, which has a great ornamental value which is in danger of extinction due to massive collection and their natural habitat’s destruction by human activities. In vitro culture is an alternative to
Salazar Mercado, Seir Antonio
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New Cattleya orchid hybrid [PDF]

open access: yes, 2018
The hybrid, obtained by back crossing between (Cattleya labiata x Cattleya forbesii) x Cattleya labiata is a vigorous plant, bi-or unifoliate, features slender and cylindrical pseudobulbs and leathery dark-greenish leaves, with oblanceolate shape format ...
Colombo,Ronan Carlos   +11 more
core   +1 more source

Cattleya I / Nurul Izza Ab Aziz [PDF]

open access: yes, 2021
Karya ini berjudul Cattleya I, bersaiz 297cm x 420cm dihasilkan oleh pelukis Mayoizza dengan menggunakan medium akrilik, pen dan juga marker. Karya ini didominasi subjek utama bunga orkid Cattleya putih dalam bentuk lanskap.
Ab Aziz, Nurul Izza
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Primary hybrid of cattleya forbesii x cattleya loddigesii, a new brazilian orchid [PDF]

open access: yes, 2019
The hybrid of Cattleya forbesii x Cattleya loddigesii has a short stature and early flowering, a light lilac tending to white color and a labellum with a velvety purple lobe and corrugated edges.
Stulzer, Gianne Caroline Guidoni   +5 more
core   +3 more sources

First report of Candidatus Rickettsia mendelii in Ixodes brunneus from the United States

open access: yes, 2020
Candidatus Rickettsia mendelii is a novel rickettsial species recently identified in Ixodes ricinus. In this study, Ixodes brunneus collected from wild birds (n = 77 ticks) or vegetation (n = 4 ticks) in southeastern Virginia were surveyed for ...
Walters, EL   +3 more
core   +1 more source

Germinación y desarrollo in vitro de dos orquídeas amenazadas endémicas de Colombia, Cattleya mendelii y Cattleya quadricolor [PDF]

open access: yes, 2015
Cattleya mendelii and C. quadricolor are endemic orchids from Colombia, which have been subjected to extraction fromtheir natural environments for commercial purposes, becoming critically endangered.
TORRES-GALEANO, CAROLINA   +3 more
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Biosynthesis of fluoroacetate and 4-fluorothreonine in Streptomyces cattleya [PDF]

open access: yes, 1996
This thesis describes results on the biosynthesis of fluoroacetate and 4-fluorothreonine by the bacterium Streptomyces cattleya. Exploratory (^14)C-radiolabelling experiments, designed to determine the relative incorporation of a range of metabolites ...
Amin, Muhammad Ruhul
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Morfo-histodiferenciação de estruturas semelhantes a protocormos de Cattleya Tigrina A. Rich (Orchidaceae) cultivadas in vitro através da técnica de camada fina celular [PDF]

open access: yes, 2013
TCC(graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Biológicas. Biologia.Cattleya tigrina é orquídea epífita de grande valor econômico ornamental que, todavia, encontra-se ameaçada.
Pereira-Dias, Francis Pereira-Dias
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