| identification and antioxidant activity of novel chlorogenic acid derivatives from bamboo (phyllostachys edulis). | one known and two novel antioxidant compounds have been isolated from bamboo (phyllostachys edulis). the butanol-soluble extract of the bamboo leaves was found to have a significant antioxidant activity, as measured by scavenging the stable 1,1-diphenyl-2-picrylhydrazyl (dpph) free radical and the superoxide anion radical (o(2)(-)) in the xanthine/xanthine oxidase assay system. antioxidant activity-directed fractionation of the extract led to the isolation and characterization of three structura ... | 2001 | 11600002 |
| diversity of burkholderia cepacia complex from the moso bamboo (phyllostachys edulis) rhizhosphere soil. | the purpose of this study was to determine the existence of burkholderia cepacia complex (bcc) at species level and the predominant species in the environment of moso bamboo plantations in hangzhou, china. a total of 423 isolates were recovered from moso bamboo rhizhosphere soil samples of three sites on the selective medium during 2007-2008. isolates were identified by bcc-specific pcr assays, followed by reca-restriction fragment length polymorphism assays, species-specific pcr analysis, reca ... | 2010 | 20882285 |
| [cloning and functional analysis of phyllostachys edulis myb transcription factor pemyb2]. | myb-type transcription factor is one of the largest families in plants, which plays important roles in accepting stress signals from environment and regulating the expression of stress-tolerant genes. in this paper, using homologous cloning and race technology, a myb-type transcription factor, designated pemyb2, was cloned from phyllostachys edulis. the results of bioinformatics showed that pemyb2 is a typical r2r3-myb. it contained two tandem repeats in its n-terminus, and a membrane protein du ... | 2013 | 24459895 |
| heterogeneous evolution of ty3-gypsy retroelements among bamboo species. | ty3-gypsy long-terminal repeat retroelements are ubiquitously found in many plant genomes. this study reports the occurrence of heterogeneous ty3-gypsy retroelements in four representative bamboo species: phyllostachys heterocycla (carr.) mitford cv. pubescens, p. heterocycla (carr.) mitford cv. heterocycla, dendrocalamopsis oldhami, and pleioblastus fortunei. using degenerate oligonucleotide primers corresponding to the conserved domains of reverse transcriptase (rt) genes of ty3-gypsy retroele ... | 2016 | 27706589 |
| genome-wide identification and expression analysis of the iqd gene family in moso bamboo (phyllostachys edulis). | members of the plant-specific iq67-domain (iqd) protein family are involved in various aspects of normal plant growth and developmental processes as well as basal defence response. although hundreds of iqd proteins have been identified, only a small number of iqds have been functionally characterized. moreover, no systematic study has been performed on moso bamboo. in this study, we performed for the first time a genome-wide identification and expression analysis of the iqd gene family in moso b ... | 2016 | 27094318 |
| transposition of the bamboo mariner-like element ppmar1 in yeast. | the moso bamboo genome contains the two structurally intact and thus potentially functional mariner-like elements ppmar1 and ppmar2. both elements contain perfect terminal inverted repeats (tirs) and a full-length intact transposase gene. here we investigated whether ppmar1 is functional in yeast (saccharomyces cerevisiae). we have designed a two-component system consisting of a transposase expression cassette and a non-autonomous transposon on two separate plasmids. we demonstrate that the ppma ... | 2017 | 28189615 |
| characterization and primary functional analysis of phenylalanine ammonia-lyase gene from phyllostachys edulis. | phenylalanine ammonia-lyase (pal) catalyzes the first reaction in phenylpropanoid pathway leading to the production of phenolic compounds with a wide range of biological functions. the cdna encoding pal was isolated from phyllostachys edulis by reverse transcription-polymerase chain reaction (rt-pcr) and by 5' and 3' rapid amplification of cdna ends, and was designated as pepal. the full length of pepal was 2,503 bp which contained an open reading frame (orf) encoding a peptide of 701 amino acid ... | 2012 | 22555402 |
| molecular characterization and primary functional analysis of pevde, a violaxanthin de-epoxidase gene from bamboo (phyllostachys edulis). | pevde was expressed primarily in bamboo leaves, which was up-regulated under high light. the protein encoded by pevde had enzyme activity of catalyzing violaxanthin (v) to zeaxanthin (z) through antheraxanthin (a) as assay shown in vitro. violaxanthin de-epoxidase (vde), a key enzyme of xanthophyll cycle, catalyzes conversion from violaxanthin (v) to zeaxanthin (z) through antheraxanthin (a) to protect photosynthesis apparatus. a cdna, pevde, encoding a vde was isolated from bamboo (phyllostachy ... | 2013 | 23640082 |
| supplement of bamboo extract lowers serum monocyte chemoattractant protein-1 concentration in mice fed a diet containing a high level of saturated fat. | monocyte chemoattractant protein-1 (mcp-1) is an inflammatory chemokine up-regulated in obese subjects, contributing to the development of type 2 diabetes. the present study investigated the inhibitory effect of an ethanol-water extract from bamboo (bex, phyllostachys edulis) on the blood concentration of mcp-1. c57bl/6j mice were fed a standard diet or a high-fat diet with or without the bex supplement (11-ág dry mass/17-á000-ákj) for 6 months. a total of ten mice were used in each group. body ... | 2011 | 21736779 |
| chemical composition, and antioxidant and antimicrobial activities of essential oil of phyllostachys heterocycla cv. pubescens varieties from china. | the essential oils of phyllostachys heterocycla cv. pubescens, phyllostachys heterocycla cv. gracilis, phyllostachys heterocycla cv. heterocycla and phyllostachys kwangsiensis leaves were obtained by steam distillation. their chemical components were separated and identified by gas chromatography/mass spectrometry (gc/ms). meanwhile, the effect of scavenging free radicals of essential oil was assayed by using the dpph·method with trolox® as control to evaluate their antioxidant capacities. gram- ... | 2011 | 21610660 |
| the effect of bamboo extract on hepatic biotransforming enzymes--findings from an obese-diabetic mouse model. | bamboo leaves are used as a component in traditional chinese medicine for the anti-inflammatory function. our previous studies have demonstrated that an ethanol/water extract from phyllostachys edulis ameliorated obesity-associated chronic systemic inflammation in mice, and therefore relieving the symptoms of type 2 diabetes. the aim of this project was to further investigate the effects of this bamboo extract on hepatic biotransformation enzymes in both lean and obese mice, as an initial step i ... | 2011 | 20832461 |
| antiallergic herbal composition from scutellaria baicalensis and phyllostachys edulis. | we aimed to find antiallergic agents from natural sources using mast cells activated during allergic reaction. we screened over 2000 plants for blockade of histamine release and identified two of them, s. baicalenesis and p. edulis. bioassay-guided fractionation led to two main constituent flavonoids, baicalin from s. baicalenesis roots and isoorientin from p. edulis leaves. based on these two compounds, two standardized extracts (ssbe and spee) and a combined standardized herb composition (shc) ... | 2010 | 19960410 |
| diversity of culturable bacteria isolated from root domains of moso bamboo (phyllostachys edulis). | the distribution of culturable bacteria in the rhizosphere, rhizoplane, and interior root tissues of moso bamboo plants was investigated in this study. of the 182 isolates showing different colony characteristics on luria-bertani and king b plates, 56 operational taxonomic units of 22 genera were identified by 16s ribosomal rna gene sequence analysis. the majority of root endophytic bacteria were proteobacteria (67.5%), while the majority of rhizospheric and rhizoplane bacteria were firmicutes ( ... | 2009 | 19224269 |
| the inhibitory effect of bamboo extract on the development of 7,12-dimethylbenz[a]anthracene (dmba)-induced breast cancer. | the incidence of breast cancer among women is high and increasing. this study investigated the inhibitory effect of an extract from bamboo phyllostachys edulis on the development of 7,12-dimethylbenz[a]anthracene (dmba)-induced breast cancer in female sprague-dawley rats. the rats were fed with bamboo extract (bex) supplemented diet or control diet, and treated with dmba after 3 weeks of the dietary regime. the incidence of mammary tumors was monitored by palpation for the next 11 weeks. at the ... | 2008 | 18972584 |
| [soil microelements under different vegetation restoration patterns in yellow soil slope region of mid-subtropics]. | with the nüerzhai watershed in wuling mountain as a case, this paper studied the contents and availabilities of soil microelements and their relationships with soil organic matter and ph value in yellow soil slope region of mid-subtropics under seven typical vegetation restoration patterns, i. e., pinus massoniana natural forest (i), cunninghamia lanceolata plantation (ii), eucommia ulmoides plantation (iii), vernicia fordii plantation (iv), machilus pingii secondary forest (v), phyllostachys ed ... | 2008 | 18593030 |
| [population structure of endangered monimopetalum chinense and its relationships with environmental factors]. | based on the field investigation data obtained from the typical plots of four community types, i. e. , secondary shrub, phyllostachys edulis forest, cunninghamia lanceolata forest, and pinus massoniana forest, in the zongli village of qimen county in anhui province, this paper studied the mean basal diameter and structure of monimopetalum chinense population, and the effects of environmental factors on the population characteristics. the results showed that the mean basal diameter of m. chinense ... | 2008 | 18533512 |
| a novel function of bamboo extract in relieving lipotoxicity. | lipotoxicity is closely related to the etiology and complications of type 2 diabetes mellitus. this study investigated the protective effect of an extract from bamboo phyllostachys edulis against palmitic acid (pa)-induced lipoapoptosis. the lipo-detoxification function of the bamboo extract (bex) was evaluated using cell culture models. cell viability was measured by mtt assay and cell apoptosis was monitored by annexin v staining. cellular uptake of fluorescent free fatty acid (ffa) analog was ... | 2008 | 18350521 |
| isolation and characterization of anticomplementary beta-glucans from the shoots of bamboo phyllostachys edulis. | bamboo, phyllostachys edulis produces well known edible shoots in asia. immunostimulating anticomplementary (complement activating) substances have been recognized as a characteristic biological response modifier (brm). in the present study, we isolated and characterized three anticomplementary beta-glucans (bs-bga, bs-bgb, and bs-bgc) from bamboo shoots. hot-water extraction, deae-toyopearl 650m-column chromatography, amylase digestion and concanavalin a adsorption, and sephacryl s-100 hr colum ... | 2003 | 12567280 |
| high-efficiency biosynthesis of hypocrellin a in shiraia sp. using gamma-ray mutagenesis. | hypocrellin a (ha), well known as one of the best natural pigments and bioactive agent to treat skin diseases, is further anticipated to play a vital role in photodynamic therapy (pdt) in anticancer and antiviral treatments. in this study, an ha-producing strain zzz816 (shiraia sp.) was isolated from the moso bamboo (phyllostachys edulis) seeds, and gamma irradiation was used to mutagenize spores of the original strain. after treatment with cobalt-60 gamma ((60)coγ) with different doses (20, 50, ... | 2016 | 26767989 |
| [effects of land use change on soil labile organic carbon in central jiangxi of china]. | selecting the 15-year abandoned land (al) and three forest lands [phyllostachys edulis plantation (pe), schima superba secondary forest (ss), and cunninghamia lanceolata plantation (cl)] in anfu county of jiangxi province as test objects, this paper studied the effects of land use change on the soil organic carbon (soc) pool and soil labile organic carbon (sloc) contents. the soil organic carbon (soc), microbial biomass carbon (mbc), hot- water extractable carbon (hwc), and readily oxidizable ca ... | 2013 | 24483085 |
| [evaluation of three-dimensional flammability of eight forest fuels based on thermogravimetric analysis in nanchang region, china]. | pyrolysis characteristics of litter of eight tree species in nanchang were studied based on thermogarvimetric analysis results. three components of flammability of the eight species, i.e. ignitibility, combustibility and sustainability, were evaluated by pyrolysis parameters obtained from the analysis. results showed that the eight species could be grouped into two categories: the first one included camellia oleifera and cinnamomum camphora, which were highly ignitable but low combustible and su ... | 2015 | 27112002 |
| mining of ssr markers from expressed sequence tags of bamboo species. | with the ever increasing number of expressed sequence tags (ests) from various sequencing projects, ests have become valuable and first-hand source of in-silico mining of simple sequence repeats (ssr) markers. we examined a total of 3419 est sequences from three bamboo species, namely, phyllostachys edulis, bambusa oldhamii and dendrocalamus sinicus for the presence of di- to hexa- microsatellites. the frequency of ssr containing ests varied from 5.36% in b. oldhamii to 13.05% in p. edulis. no s ... | 2010 | 21364824 |
| mitochondrial energy metabolism in young bamboo rhizomes from bambusa oldhamii and phyllostachys edulis during shooting stage. | the energy metabolism of mitochondria in young rhizomes of the bamboo species bambusa oldhamii, which favors shooting during the summer, and phyllostachys edulis, which favors shooting during the winter, was characterized. the mitochondrial energy-converting system was clarified in terms of respiratory activity and structural organization. the respiration rates were measured at 15, 28, and 42 °c by nadh, succinate, and malate oxidation. nadh was shown to act as an efficient substrate regardless ... | 2011 | 21334908 |
| [winter feeding sites selection of white-browed hill partridge]. | the winter feeding sites of white-browed hill partridge (arborophila gingica) was investigated in jiuwanshan national nature reserve in guangxi from november to december 2010. with the 34 found feeding sites, the used sites (n=25) were compared with the control sites (n=25), and 19 parameters were measured at each site. the results showed that white-browed hill partridge randomly use broadleaved forest, mixed coniferous-broadleaved forest, mixed broadleaved-bai bamboo (indosasa shibataeoides) fo ... | 2011 | 22006810 |
| molecular characterization and primary functional analysis of pempec, a magnesium-protoporphyrin ix monomethyl ester cyclase gene of bamboo (phyllostachys edulis). | a homologous gene of mpec from phyllostachys edulis was isolated and characterized. its overexpression in arabidopsis thaliana increased chlorophyll concentration and photosynthesis efficiency, indicating it is involved in chlorophyll biosynthesis. magnesium-protoporphyrin ix monomethyl ester cyclase (mpec) is an essential enzyme in the biosynthesis of chlorophyll, which plays an important role in photosynthesis. however, limited information is available on the roles of mpec gene in bamboo. a ho ... | 2015 | 26215310 |
| cloning and preliminary functional analysis of peuge gene from moso bamboo (phyllostachys edulis). | udp-galactose-4-epimerase (uge) is a key enzyme involved in galactose metabolism by catalyzing the interconversion of udp-glucose to udp-galactose. the cdna encoding uge was isolated from phyllostachys edulis by reverse transcription-polymerase chain reaction and by 5' and 3' rapid amplification of cdna ends, and was designated as peuge. the full-length cdna of peuge was 1778 bp, which contained an open reading frame (orf) encoding a peptide of 420 amino acids, with a calculated molecular mass o ... | 2016 | 27525704 |
| diversity and antimicrobial activity of culturable endophytic fungi isolated from moso bamboo seeds. | bamboos, regarded as therapeutic agents in ethnomedicine, have been used to inhibit inflammation and enhance natural immunity for a long time in asia, and there are many bamboo associated fungi with medical and edible value. in the present study, a total of 350 fungal strains were isolated from the uncommon moso bamboo (phyllostachys edulis) seeds for the first time. the molecular diversity of these endophytic fungi was investigated and bioactive compound producers were screened for the first ti ... | 2014 | 24759896 |
| invasion of moso bamboo into a japanese cedar plantation affects the chemical composition and humification of soil organic matter. | bamboo, which has dense culms and root rhizome systems, can alter soil properties when it invades adjacent forests. therefore, this study investigated whether bamboo invasions can cause changes in soil organic matter (som) composition and soil humification. we combined solid-state (13)c nmr spectroscopy and chemical analysis to examine the som in a japanese cedar (cryptomeria japonica) and adjacent bamboo (phyllostachys edulis) plantation. bamboo reduced soil organic c (soc) content, compared to ... | 2016 | 27558833 |