陕西理工学院学报(自然科学版)
陝西理工學院學報(自然科學版)
협서리공학원학보(자연과학판)
JOURNAL OF SHAANXI UNIVERSITY OF TECHNOLOGY (NATURAL SCIENCE EDITION)
2014年
4期
55-60
,共6页
花马盐湖%盐蒿%耐(嗜)盐真菌
花馬鹽湖%鹽蒿%耐(嗜)鹽真菌
화마염호%염호%내(기)염진균
the salt Huama lake%Artemisia halodendron%halotolerant and halophilic fungi
采用含盐浓度不同的培养基分离陕北花马盐湖盐蒿(Artemisia halodendron)的内生耐(嗜)盐真菌并研究其物种多样性。从盐蒿组织中共分离得到1215株内生耐(嗜)盐真菌,基于形态学和 ITS 系统发育分析表明,上述菌株属于6个属,包括小球腔霉属(Leptospha-eria)、青霉属(Penicillium)、木霉属(Trichoderma)、曲霉属(Aspergillus)、链格孢属(Alternaria)和镰孢属(Fusarium)。以小球腔霉属(Leptosphaeria)为优势属,其次为链格孢属,其分离频率分别为78.8%和2.28%;共计9个代表种如产黄青霉(Penicillium chrysogenum)、Aspergillus west-erdijkiae、极细链格孢(Alternaria tenuissima)和长梗木霉(Trichoderma longibrachiatum)等。研究表明,陕北花马盐湖盐蒿中蕴藏着丰富的耐(嗜)盐真菌物种资源。
採用含鹽濃度不同的培養基分離陝北花馬鹽湖鹽蒿(Artemisia halodendron)的內生耐(嗜)鹽真菌併研究其物種多樣性。從鹽蒿組織中共分離得到1215株內生耐(嗜)鹽真菌,基于形態學和 ITS 繫統髮育分析錶明,上述菌株屬于6箇屬,包括小毬腔黴屬(Leptospha-eria)、青黴屬(Penicillium)、木黴屬(Trichoderma)、麯黴屬(Aspergillus)、鏈格孢屬(Alternaria)和鐮孢屬(Fusarium)。以小毬腔黴屬(Leptosphaeria)為優勢屬,其次為鏈格孢屬,其分離頻率分彆為78.8%和2.28%;共計9箇代錶種如產黃青黴(Penicillium chrysogenum)、Aspergillus west-erdijkiae、極細鏈格孢(Alternaria tenuissima)和長梗木黴(Trichoderma longibrachiatum)等。研究錶明,陝北花馬鹽湖鹽蒿中蘊藏著豐富的耐(嗜)鹽真菌物種資源。
채용함염농도불동적배양기분리협북화마염호염호(Artemisia halodendron)적내생내(기)염진균병연구기물충다양성。종염호조직중공분리득도1215주내생내(기)염진균,기우형태학화 ITS 계통발육분석표명,상술균주속우6개속,포괄소구강매속(Leptospha-eria)、청매속(Penicillium)、목매속(Trichoderma)、곡매속(Aspergillus)、련격포속(Alternaria)화렴포속(Fusarium)。이소구강매속(Leptosphaeria)위우세속,기차위련격포속,기분리빈솔분별위78.8%화2.28%;공계9개대표충여산황청매(Penicillium chrysogenum)、Aspergillus west-erdijkiae、겁세련격포(Alternaria tenuissima)화장경목매(Trichoderma longibrachiatum)등。연구표명,협북화마염호염호중온장착봉부적내(기)염진균물충자원。
This study isolated and identified species diversity of fungal endophytes in Artemisia haloden-dron using different media complemented with the different concentration of NaCl. We have obtained 1215 fun-gal isolates from A. halodendron,and these fungi are classified into 6 genera including Leptosphaeria,Penicil-lium,Trichoderma,Aspergillus,Alternaria and Fusarium. Leptosphaeria is predominant(78. 8% )of the total number,followed by Alternaria(2. 28% ). All the fungal strains are identified as 9 species such as Penicilli-um chrysogenum,Aspergillus westerdijkiae,Alternaria tenuissima and Trichoderma longibrachiatum. Our study shows that halotolerant and halophilic fungi in A. halodendron grown in the salt Huama lake in Northern Shaanxi are rich.