نتایج جستجو برای: silene
تعداد نتایج: 999 فیلتر نتایج به سال:
گونه های زیر بعنوان گونه جدید برای فلور ایران گزارش داده می شوند. aconitum pubiceps, androsace armeniaca, cerastium szowitsii, agropyron caninum, geranium pratense, hablitzia tamnoides, lepidium campestre, menyanthes trifoliata, rosularia pilosa, rubus saxatilis, sedum subulatum, silene multifida, vincetoxicum rehmannii. anemone albana که در فلور های ترکیه و شوروی بطور مشکوک از ایران ذکر شده ...
The title octa-deca-trienoic acid derivative, C(18)H(26)O(4), was isolated from Silene maritima With. (Caryophyllaceae), the first time this natural compound has been found in the Caryophyllales order. This fatty acid has an 18-carbon backbone with three double bonds on trans (E) conformation and two carbonyl. In the crystal, molecules are linked via pairs of O-H⋯O hydrogen bonds, forming inver...
Jovis Johny1, Partha Sarathi Sarkar2, Deepali Saxena3, Babu Philip4 1Post-graduate Resident, Department of Radiology, ST. Johns Hospital, Bengaluru, Karnataka, India, 2Senior Resident, Department of Radiology, ST. Johns Hospital, Bengaluru, Karnataka, India, 3Associate Professor, Department of Radiology, ST. Johns Hospital, Bengaluru, Karnataka, India, 4Professor, Department of Radiology, ST. J...
A list of nine species of Orthoptera collected on Socotra is reported. Three of them were previously unrecorded on the island (Trigonidium cicindeloides, Paratettix subpustulatus and Acrotylus insubricus) and one (Ochrilidia socotrae n.sp.) was undescribed. Further systematic notes on Glomeremus pileatus, G. mediopictus, Pyrgomorpha conica tereticornis, Acrotylus incarnatus and Sphingonotus ins...
The mechanics of speciation with gene flow are still unclear. Disparity among genes in population differentiation (F(ST)) between diverging species is often interpreted as evidence for semipermeable species boundaries, with selection preventing "key" genes from introgressing despite ongoing gene flow. However, F(ST) can remain high before it reaches equilibrium between the lineage sorting of sp...
PREMISE OF THE STUDY Controversy is ongoing regarding the importance of pollinator-mediated selection as a source of observed patterns of floral diversity. Although increasing evidence exists of pollinator-mediated selection acting on female reproductive success, there is still limited understanding of pollinator-mediated selection on floral traits via male reproductive success. Here we quantif...
Cryptic plant viruses are seed-borne dsRNA-viruses, which co-exist life-long with the host plant, without inducing any apparent symptoms. Since growth conditions and the hostvirus combination (cultivar, strain, isolate, thermotherapy, etc.) are known to influence virus multiplication, we wanted to find out what effect long-term tissue culturing has on the survival of carnation cryptic virus (Ca...
The angiosperm genus Silene exhibits some of the most extreme and rapid divergence ever identified in mitochondrial genome architecture and nucleotide substitution rates. These patterns have been considered mitochondrial specific based on the absence of correlated changes in the small number of available nuclear and plastid gene sequences. To better assess the relationship between mitochondrial...
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