22 Result(s)
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Article
Open AccessEnsemble species distribution modeling and multilocus phylogeography provide insight into the spatial genetic patterns and distribution dynamics of a keystone forest species, Quercus glauca
Forests are essential for maintaining species diversity, stabilizing local and global climate, and providing ecosystem services. Exploring the impact of paleogeographic events and climate change on the genetic...
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The interplay between scale, pollination niche and floral attractiveness on density-dependent plant–pollinator interactions
Pollinators mediate interspecific and intraspecific plant–plant indirect interactions (competition vs. facilitation) via density-dependent processes, potentially sha** the dynamics of plant communities. Howe...
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Isolation and characterization of tumorigenic bacteria associated with crown gall disease of Prunus humilis Bunge in China
Prunus humilis Bunge (Cerasus humilis (Bunge) S. ya. Sokolov) (Rosaceae) is a small shrub native to China, highly valued for environmental protection and as a functional food. However, with the increasing scale o...
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The detection of major clades and new species of Mallocybe (Inocybaceae, Agaricales) from China with elongate cheilocystidia
Mallocybe, a member of the ectomycorrhizal mushroom family Inocybaceae, is a newly elevated genus based on Inocybe subg. Mallocybe. Although new species of Mallocybe have continuously been discovered worldwide du...
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Open AccessSix New 3,5-Dimethylcoumarins from Chelonopsis praecox, Chelonopsis odontochila and Chelonopsis pseudobracteata
Ten 3,5-dimethylcoumarins (1–6 and 8‒11) involving six new ones (1–6), together with a known 3-methylcoumarin (7), were isolated from the aerial parts of three Chelonopsis plants, C. praecox, C. odontochila, and
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Article
Microbial methane production is affected by secondary metabolites in the heartwood of living trees in upland forests
This paper shows that CH4 produced in the heartwood of living trees in upland forests is of microbial origin, and that microbial CH4 production may be suppressed in the heartwood with more phenolic compounds than...
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Open AccessThe application of the ‘Gene-deletor’ technology in banana
Banana (Musa spp.) is an important tropical crop. Banana industry is under biotic and abiotic stresses such as Fusarium wilt, typhoon, cold stress. Genetic engineering offers a powerful strategy to create germpla...
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Phylogenetic analysis of Leymus (Poaceae: Triticeae) based on Random Amplified Polymorphic DNA
To investigate the Ns genome donor of Leymus and to elucidate the origin of Xm genome of Leymus, Random Amplified Polymorphic DNA (RAPD) markers were used to analyze 13 Leymus accessions, together with 14 taxa fr...
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Phylogenetic relationships and Y genome origin in Kengyilia (Triticeae: Poaceae) based on single copy gene DMC1
To investigate the phylogenetic relationships among Kengyilia and related diploid genera, the genome donor of Kengyilia, and the evolutionary history of polyploid Kengyilia species, disrupted meiotic cDNA1 (DMC1)...
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Recovery and characterization of homozygous lines from two sweet orange cultivars via anther culture
Homozygous genotypes are valuable for breeding and genomic studies in higher plants. The production of haploids and DHs through gametic embryogenesis allows a single-step development of complete homozygous lin...
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Article
Saccharothrix lopnurensis sp. nov., a filamentous actinomycete isolated from sediment of Lop Nur
A novel actinomycete strain, designated YIM LPA2hT, was isolated from a sediment sample collected from Lop Nur, **njiang Uygur Autonomous Region, North–West China. The taxonomic position of strain YIM LPA2hT was ...
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Article
Marasmius albopurpureus, a new species of section Globulares from Baili Island, China
Marasmius albopurpureus, a new species belonging to section Globulares, was found on a subtropical island, Baili Island, in southern China. It is characterized by its white to purple rugulose to ...
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Phylogenetic relationships among Elymus and related diploid genera (Triticeae: Poaceae) based on nuclear rDNA ITS sequences
To investigate the phylogenetic relationships among Elymus and related diploid genera, the genome donor of Elymus, and the evolutionary history of polyploid Elymus species, nuclear ribosomal internal transcribed ...
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Open AccessDehydroascorbate reductase and monodehydroascorbate reductase activities of two metallothionein-like proteins from sweet potato (Ipomoea batatas [L.] Lam. ‘Tainong 57’) storage roots
Metallothionein (MT) is a group of proteins with low molecular masses and high cysteine contents, and it is classified into different types, which generally contains two domains with typical amino acid sequences.
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Article
The reduction in zinc concentration of wheat grain upon increased phosphorus-fertilization and its mitigation by foliar zinc application
Malnutrition resulting from zinc (Zn) and iron (Fe) deficiency has become a global issue. Excessive phosphorus (P) application may aggravate this issue due to the interactions of P and micronutrients in soil c...
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Article
Granaticins and their biosynthetic gene cluster from Streptomyces vietnamensis: evidence of horizontal gene transfer
Streptomyces vietnamensis, a recently designated species isolated from tropical forest soil, was found to be a new granaticin producer. The granaticin biosynthetic gene cluster (gra) and flanking genes from S. vi...
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Article
Molecular cloning and functional characterization of genes associated with flowering in citrus using an early-flowering trifoliate orange (Poncirus trifoliata L. Raf.) mutant
To isolate differentially expressed genes during the juvenile-to-adult phase transition of an early-flowering trifoliate orange mutant (precocious trifoliate orange, Poncirus trifoliata), suppression subtractive ...
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Article
Formation of unreduced gametes is impeded by homologous chromosome pairing in tetraploid Triticum turgidum × Aegilops tauschii hybrids
It is believed that unreduced gametes with somatic chromosome numbers play a predominant role in natural polyploidization. Allohexaploid bread wheat originated from spontaneous hybridization of Triticum turgidum ...
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Article
PtSVP, an SVP homolog from trifoliate orange (Poncirus trifoliata L. Raf.), shows seasonal periodicity of meristem determination and affects flower development in transgenic Arabidopsis and tobacco plants
A MADS-box gene was isolated using the suppressive subtractive hybridization library between early-flowering mutant and wild-type trifoliate orange (Poncirus trifoliata L. Raf.). This gene is highly homologous wi...
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Phylogenetic relationships within Citrus and its related genera as inferred from AFLP markers
We investigated the phylogenetic relationships among Citrus and its relatives, including 29 genotypes belonging to Citrus, Poncirus, Fortunella, Microcitrus, Eremocitrus, Atalantia and Severinia using AFLP analys...
