Page 39 - 《广西植物》2023年第7期
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7 期                     田甲佳等: 云南三个地区马铃薯内生真菌多样性研究                                          1 2 0 7

                                      表 3  14 株代表菌株的 ITS 序列 BLAST 比对结果
                    Table 3  Comparison result of 14 representative endophytic fungi associated with Solanum tuberosum

                  分离菌株        最大相似菌株                                    GenBank 登录号            相似性
                Isolated strain  Largest similar strain                Genbank access No.   Similarity (%)
                    M1        曲霉属 Aspergillus sp.                        GQ169451.1             100
                    M2        裸孢壳属 Emericella sp.                        AB249018.1            99.13
                    M3        局限青霉 Penicillium restrictum                AY373928.1            99.47
                    M4        长极链格孢 Alternaria longissima                MK592738.1             100
                    M5        尖孢镰刀菌 Fusarium oxysporum                   MK641485.1             100
                    M6        接骨木镰刀菌 F. sambucinum                       KP292801.1            99.81
                    M7        哈茨木霉 Trichoderma harzianum                 KU696482.1            99.84
                    M8        Pseudopyrenochaeta terrestris              NR_160575.1           99.29
                    M9        Plectosphaerella plurivora                 MT801143.1            99.11
                   M10        毛韧革菌 Stereum hirsutum                      LC430906.1            99.84
                   M11        Colletotrichum boninense                   MZ312521.1            99.66
                   M12        Psathyrella sulcatotuberculosa             MK304138.1             100
                   M13        Epicoccum catenisporum                     NR_158229.1            100
                   M14        尾孢菌属 Cercospora sp.                        MK210506.1            99.43


                                            表 4  马铃薯内生真菌菌落形态特征
                         Table 4  Morphological characteristics of Solanum tuberosum endophytic fungal colonies

                                                              主要菌丝形态特征
                  分离菌株        主要菌落形态特征                                                 种属
                                                              Main morphological
                Isolated strain  Main morphological characteristics of colony          Species
                                                              characteristics of mycelium
                    M1        菌落圆形ꎬ生长较快ꎬ质地较硬ꎬ浅绿色ꎬ             菌丝细长ꎬ有分支ꎬ分生孢子头部          子囊菌门ꎬ 散囊菌纲ꎬ 散囊菌
                  构巢曲霉        菌落表面为绒状ꎬ 菌丝体较发达ꎬ产生大             呈短柱型                     目ꎬ曲霉科ꎬ曲霉属
               Aspergillus nidulans  量闭囊壳时会出现黄褐色              Mycelium is slenderꎬ with branchesꎬ  Ascomycotaꎬ Eurotiomycetesꎬ
                              Round coloniesꎬ fast growthꎬ hard textureꎬ light  the head of conidia is short columnar  Eurotialesꎬ Aspergillaceaeꎬ
                              greenꎬ colony surface is downyꎬ mycelium more            Aspergillus
                              developedꎬ  showing  yellow ̄brown  when
                              producing a large number of closed shell
                    M2        菌落圆形ꎬ具有辐射状沟纹ꎬ菌丝体密集ꎬ             子囊近球形ꎬ菌丝细长ꎬ有分支ꎬ子         子囊菌门ꎬ 散囊菌纲ꎬ 散囊菌
                 褶皱裸孢壳        菌落边缘整齐且呈暗草绿色ꎬ质地紧密无              囊孢子呈双凸镜状ꎬ分生孢子不           目ꎬ曲霉科ꎬ裸孢壳属
               Emericella rugulosa  外渗液体                      明显                       Ascomycotaꎬ Eurotiomycetesꎬ
                              Round coloniesꎬ with radial groovesꎬ mycelium  Oocyst is subgloboseꎬ mycelium  Eurotialesꎬ Aspergillaceaeꎬ
                              denseꎬ colony edge is neat and dark grass greenꎬ  slenderꎬ with branchesꎬ ascospores  Emericella
                              dense texture without exuding liquid  biconvex mirrorꎬ conidia inconspicuous
                    M3        菌落多圆形ꎬ起初为白色ꎬ生长后期变为青             菌丝分支多ꎬ有隔ꎬ有少量突起ꎬ分         子囊菌门ꎬ 散囊菌纲ꎬ 散囊菌
                  局限青霉        灰色ꎬ菌丝体较发达ꎬ呈绒状ꎬ边缘部分整             生孢子梗直立                   目ꎬ曲霉科ꎬ青霉属
              Penicillium restrictum  齐ꎬ在菌落上有时出现白色小突起         Mycelium  has  many  branchesꎬ  Ascomycotaꎬ Eurotiomycetesꎬ
                              More colonies are roundꎬ white at firstꎬ  septateꎬ with a small number of  Eurotialesꎬ Aspergillaceaeꎬ
                              greenish gray at the later stage of growthꎬ  protrusionsꎬ conidial peduncle erect  Penicillium
                              mycelium is more developedꎬ velvetyꎬ the
                              edge is partly neatꎬ sometimes there are small
                              white protrusions on the colony
                    M4        菌落不规则圆形ꎬ菌丝发达ꎬ生长迅速ꎬ菌             菌丝较为密集ꎬ长絮状               子囊菌门ꎬ 座囊菌纲ꎬ 格孢菌
                 长极链格孢        落为棉絮状ꎬ边缘菌丝纤维丝状ꎬ颜色为白             Mycelium is denser and flocculent  目ꎬ格孢菌科ꎬ链格孢属
              Alternaria longissima  色ꎬ培养基呈红褐色                                         Ascomycotaꎬ Dothideomycetesꎬ
                              Irregular round coloniesꎬ mycelium developedꎬ            Pleosporalesꎬ Pleosporaceaeꎬ
                              growing rapidlyꎬ the colony is cotton woolꎬ the          Alternaria
                              edge of the mycelium fiber filamentousꎬ the color
                              is whiteꎬ the medium is reddish brown
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