15 Result(s)
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Open AccessGenetic diversity of field Fusarium asiaticum and Fusarium graminearum isolates increases the risk of fungicide resistance
Fusarium head blight (FHB) caused by Fusarium species, seriously threatens the safety of wheat (Triticum aestivum) production. Resistant cultivars and fungicides are frequently used to control these FHB pathogens...
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Open AccessAssociation Map** and Functional Analysis of Rice Cold Tolerance QTLs at the Bud Burst Stage
Cold tolerance at the bud burst stage (CTB) is a key trait for direct-seeded rice. Although quantitative trait loci (QTL) affecting CTB in rice have been mapped using traditional linkage map** and genome-wid...
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Open AccessGenome wide analysis of kinesin gene family in Citrullus lanatus reveals an essential role in early fruit development
Kinesin (KIN) as a motor protein is a versatile nano-machine and involved in diverse essential processes in plant growth and development. However, the kinesin gene family has not been identified in watermelon,...
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Open AccessMap** of QTLs for source and sink associated traits under elevated CO2 in rice (Oryza sativa L.)
Rice source- and sink-associated traits are important for grain yield and are sensitive to environmental conditions. The continuing increase of CO2 concentrations in the atmosphere will become a major challenge f...
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Open AccessNew Iboga-Type Indole Alkaloids from Tabernaemontana divaricata
Two hitherto unknown iboga-type indole alkaloids, namely (3R)-7,19-di-epi-3-methoxytabernoxidine (1) and (3R,19R)-19-hydroxy-3-(2-oxopropyl)voacangine (2), together with eight known alkaloids (3–10), were isolate...
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Open AccessDissection of the Genetic Architecture of Rice Tillering using a Genome-wide Association Study
Rice tiller number (TN) is one of the most important components associated with rice grain yield. Around one hundred rice TN genes have been identified, but dissecting the genetic architecture of rice TN varia...
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Open AccessAristolane-type Sesquiterpenoids from Nardostachys chinensis and Revised Structure of Aristolanhydride
Four hitherto unknown aristolane-type sesquiterpenes, including one novel 8,9-secoaristolane, namely secoaristolenedioic acid (1), two aristolone derivatives, namely 1α,2β-dihydroxyaristolone (2), 9-epidebilon (3
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Open AccessA genome for gnetophytes and early evolution of seed plants
Gnetophytes are an enigmatic gymnosperm lineage comprising three genera, Gnetum, Welwitschia and Ephedra, which are morphologically distinct from all other seed plants. Their distinctiveness has triggered much de...
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Open AccessIndole Alkaloids Inhibiting Neural Stem Cell from Uncaria rhynchophylla
Uncaria rhynchophylla is commonly recognized as a traditional treatment for dizziness, cerebrovascular diseases, and nervous disorders in China. Previously, the neuro-protective activitie...
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Open AccessThe development and use of a molecular model for soybean maturity groups
Achieving appropriate maturity in a target environment is essential to maximizing crop yield potential. In soybean [Glycine max (L.) Merr.], the time to maturity is largely dependent on developmental response to ...
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Open AccessChemical Constituents from the Stems of Manihot esculenta
Two new compounds, maniesculentins A (1) and B (6), together with four known ones were isolated from the stems of Manihot esculenta Crantz. The structures of the new compounds were elucidated by extensive spectro...
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Open AccessTreeline dynamics in response to climate change in the Min Mountains, southwestern China
Abies faxoniana is the dominant plant species of the forest ecosystem on the eastern edge of Qinghai-Tibet Plateau, where the treeline is strongly defined by climate. The tree-ring chronologies and age structure ...
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Open AccessDaphmacrodins A and B, alkaloids from Daphniphyllum macropodum
Two new daphnicyclidin-type Daphniphyllum alkaloids, daphmacrodins A and B (1 and 2) were isolated from the leaves and stems of Daphniphyllum macropodum. Their structures were elucidated by extensive spectroscopi...
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Open AccessMolecular map** of the Pi2/9 allelic gene Pi2-2 conferring broad-spectrum resistance to Magnaporthe oryzae in the rice cultivar Jefferson
Utilization of broad-spectrum resistance (R) genes is an effective and economical strategy to control the fungal pathogen Magnaporthe oryzae, the causal agent of the rice blast disease. Among the cloned blast res...
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Open AccessAccumulation of phenanthrene by roots of intact wheat (Triticum acstivnmL.) seedlings: passive or active uptake?
Polycyclic aromatic hydrocarbons (PAHs) are of particular concern due to their hydrophobic, recalcitrant, persistent, potentially carcinogenic, mutagenic and toxic properties, and their ubiquitous occurrence i...
