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Relevant bibliographies by topics / C. pulchra

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Academic literature on the topic 'C. pulchra'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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Journal articles on the topic "C. pulchra"

1

Mahlmann, Thiago, and Favizia Oliveira. "A new species of Centris (Centris) (Fabricius) from northeastern Brazil, with taxonomic notes on C. (C.) pulchra Moure, Oliveira & Viana (Hymenoptera, Apidae)." ZooKeys 255 (December 27, 2012): 49–65. https://doi.org/10.3897/zookeys.255.4303.

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We describe a new species of the bee genus <i>Centris</i>, <i>C. </i>(<i>C.</i>)<i> byrsonimae </i>Mahlmann & Oliveira <b>sp. n.</b>, whose name has appeared as a <i>nomen nudum </i>in the literature since 1985. Further, a new species group of <i>Centris </i>s.str. is proposed, the <i>pulchra </i>group, based on morphological characters, which comprises the species <i>C. pulchra</i> Moure, Oliveira & Viana, 2003 and <i>C. byrsonimae </i><b>sp. n.</b>.<b> </b>Based on information from specimen labels studied and data from the literature, a list of plant species visited by the <i>pulchra

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2

Klein, Leigh Ann, Mark T. Windham, and Robert N. Trigiano. "Natural Occurrence of Microsphaera pulchra and Phyllactinia guttata on Two Cornus Species." Plant Disease 82, no. 4 (1998): 383–85. http://dx.doi.org/10.1094/pdis.1998.82.4.383.

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Powdery mildew has become a common foliar disease of Cornus florida and other dogwood species in the eastern United States during the last several years. This study was conducted to determine the identity of powdery mildew fungi on C. florida and C. amomum. Ascocarps of Microsphaera pulchra and Phyllactinia guttata occurred singly and together on both C. florida and C. amomum leaves. M. pulchra ascocarps occurred at a higher density than P. guttata ascocarps on C. florida leaves, whereas P. guttata ascocarps occurred more frequently than M. pulchra ascocarps on C. amomum leaves. Histological s

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3

Terrazas, Paola, Efrain Salamanca, Marcelo Dávila, Sophie Manner, Alberto Gimenez, and Olov Sterner. "SARs for the Antiparasitic Plant Metabolite Pulchrol. 3. Combinations of New Substituents in A/B-Rings and A/C-Rings." Molecules 26, no. 13 (2021): 3944. http://dx.doi.org/10.3390/molecules26133944.

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The natural products pulchrol and pulchral, isolated from the roots of the Mexican plant Bourreria pulchra, have previously been shown to possess antiparasitic activity towards Trypanosoma cruzi, Leishmania braziliensis and L. amazonensis, which are protozoa responsible for Chagas disease and leishmaniasis. These infections have been classified as neglected diseases, and still require the development of safer and more efficient alternatives to their current treatments. Recent SARs studies, based on the pulchrol scaffold, showed which effects exchanges of its substituents have on the antileishm

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Terrazas, Paola, Efrain Salamanca, Marcelo Dávila, Sophie Manner, Alberto Giménez, and Olov Sterner. "SAR:s for the Antiparasitic Plant Metabolite Pulchrol. 1. The Benzyl Alcohol Functionality." Molecules 25, no. 13 (2020): 3058. http://dx.doi.org/10.3390/molecules25133058.

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Pulchrol (1) is a natural benzochromene isolated from the roots of Bourreria pulchra, shown to possess potent antiparasitic activity towards both Leishmania and Trypanozoma species. As it is not understood which molecular features of 1 are important for the antiparasitic activity, several analogues were synthesized and assayed. The ultimate goal is to understand the structure–activity relationships (SAR:s) and create a QSAR model that can be used for the development of clinically useful antiparasitic agents. In this study, we have synthesized 25 2-methoxy-6,6-dimethyl-6H-benzo[c]chromen analog

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5

Wyman, Christopher R., Denita Hadziabdic, Sarah L. Boggess, et al. "Low Genetic Diversity Suggests the Recent Introduction of Dogwood Powdery Mildew to North America." Plant Disease 103, no. 11 (2019): 2903–12. http://dx.doi.org/10.1094/pdis-01-19-0051-re.

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Cornus florida (flowering dogwood) is a popular understory tree endemic to the eastern hardwood forests of the United States. In 1996, dogwood powdery mildew caused by Erysiphe pulchra, an obligate biotrophic fungus of large bracted dogwoods, reached epidemic levels throughout the C. florida growing region. In the late 1990s, both sexual and asexual stages of E. pulchra were regularly observed; thereafter, the sexual stage was found less frequently. We examined the genetic diversity and population structure of 167 E. pulchra samples on C. florida leaves using 15 microsatellite loci. Samples we

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6

Pócs, T. "New or Little-Known Epiphyllous Liverworts, XXIV. A Collection Made in the Venezuelan Guayana at the Foot of Salto Angel with Description of Cololejeunea Bencei." Acta Botanica Hungarica 63, no. 3-4 (2021): 417–26. http://dx.doi.org/10.1556/034.63.2021.3-4.11.

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A liverwort collection by Bence Pócs from the Venezuelan Guayana resulted in 31 species of liverworts, including Cololejeunea bencei new to science and C. cardiocarpa, C. obliqua, C. platyneura, C. schusteri, C. verwimpii, Lejeunea pulchra and Plagiochila crispabilis new to Venezuela. The distribution and differentiation of C. schusteri is discussed.

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7

Do, N. H. N., T. M. Le, C. D. P. Nguyen та A. C. Ha. "Optimization of total flavonoid content of ethanolic extract of Persicaria pulchra (Bl.) Soják for the inhibition of α-glucosidase enzyme". Fine Chemical Technologies 15, № 4 (2020): 39–50. http://dx.doi.org/10.32362/2410-6593-2020-15-4-39-50.

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Objectives. There has been a rapid increase in the number of diabetic patients since the past few decades in developed and developing countries. This rapid increase is accompanied by alarming costs of treatment. α-Glucosidase inhibitors are one of the most effective drugs employed for the reduction of postprandial hyperglycemia to manage Type 2 diabetes mellitus. Additionally, flavonoids, a group of natural substances, which are widely distributed in plants and possess variable phenolic structures, exhibit outstanding hypoglycemic activity and are considered as potential α-glucosidase inhibito

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8

Adrian, Brent, Patricia A. Holroyd, J. Howard Hutchison, and KE Beth Townsend. "Additional records and stratigraphic distribution of the middle Eocene carettochelyid turtle Anosteira pulchra from the Uinta Formation of Utah, North America." PeerJ 8 (August 24, 2020): e9775. http://dx.doi.org/10.7717/peerj.9775.

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Background Anosteira pulchra is one of two species of the obligately-aquatic freshwater clade Carettochelyidae (pig-nosed turtles) from the Eocene of North America. Anosteira pulchra is typically rare in collections, and their distribution is poorly documented. The Uinta Formation [Fm.] contains a diverse assemblage of turtles from the Uintan North American Land Mammal Age. Whereas turtles are abundantly preserved in the Uinta Fm., A. pulchra has been reported only from a few specimens in the Uinta C Member. Methods We describe new records of Anosteira pulchra from the Uinta Basin and analyze

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9

Li, Y. H., M. T. Windham, R. N. Trigiano, D. C. Fare, J. M. Spiers, and W. E. Copes. "Evaluation for Resistance to Powdery Mildew in Cornus Species and Hybrids Using a Leaf Disk Assay." Journal of Environmental Horticulture 25, no. 3 (2007): 131–33. http://dx.doi.org/10.24266/0738-2898-25.3.131.

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Abstract Using a leaf disk assay, eight cultivars or/and breeding lines in Cornus florida L., C. kousa (Buerger ex Miq.) Hance, five cultivars in C. kousa × C. florida, one cultivar in C. kousa × C. nuttallii Aud. and one cultivar in (C. kousa × C. nuttallii) × C. kousa were evaluated for resistance to powdery mildew [Erysiphe pulchra (Cooke and Peck) U. Braun & S. Takamatsu (syn. Microsphaera pulchra Cooke and Peck)]. Flowering dogwoods (C. florida) cultivars were more susceptible than the other species and hybrids with the exception of the C. florida × C. kousa hybrid ‘Ruth Ellen’. Resis

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10

Nobile, Vittorio, Roberto Catania, Pietro Niolu, et al. "Twenty New Records of Bees (Hymenoptera, Apoidea) for Sardinia (Italy)." Insects 12, no. 7 (2021): 627. http://dx.doi.org/10.3390/insects12070627.

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In Sardinia, the second largest Mediterranean island, 316 species of bees are known. Here, for the first time, the following 20 taxa are reported: Colletes cunicularius (Linnaeus, 1761), and C. eous Morice, 1904 (Colletidae); Andrena humilis Imhoff, 1832, A. granulosa Pérez, 1902, A. cineraria (Linnaeus, 1758), A. pallitarsis Pérez, 1903, A. rugulosa Stöckhert, 1935, A. savignyi Spinola, 1838, and A. tenuistriata Pérez, 1895 (Andrenidae); Sphecodes reticulatus Thomson, 1870 (Halictidae); Lithurgus tibialis Morawitz, 1875, Chelostoma emarginatum (Nylander, 1856), Dioxys cinctus (Jurine, 1807),

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Dissertations / Theses on the topic "C. pulchra"

1

Yonow, T. "Life-cycle adaptations of some Diptera inhabiting tropical rain pools." Thesis, University of Newcastle Upon Tyne, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381527.

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Books on the topic "C. pulchra"

1

Angelidē, Christina. Pulcheria: La castità al potere (c. 399-c. 455). Jaca book, 1998.

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Book chapters on the topic "C. pulchra"

1

Konrad, C. F. "Drowning the Chickens." In The Challenge to the Auspices. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780192855527.003.0005.

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Abstract Three instances of resistance to the auspices during the final years of the First Punic War suggest an undercurrent of opinion questioning the practice among the Roman nobility. The drowning of the pulli by the Consul P. Claudius Pulcher in 249 bc occurred not at his departure from Rome, but immediately before the Battle of Drepana in Sicily; it raises a highly technical question of how auspices functioned at sea. The other Consul, L. Iunius Pullus, sailed in spite of prohibitive auspices in an attempt to save the supply convoy he was guarding from enemy attack, and lost the entire fl

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