用户名: 密码: 验证码:
短萼黄连的生物生态学特性及其与黄连的比较研究
详细信息    本馆镜像全文|  推荐本文 |  |   获取CNKI官网全文
摘要
短萼黄连(Coptis chinensis var.brevisepala W.T.Wang et Hsiao)和黄连(C.chinensis Franch)隶属于毛茛科(Ranunculaceae)黄连属(Coptis Salisb),前者为后者的变种。二者均为我国常用中药,有清热燥湿、凉血解毒的功能。但目前两种植物的野生种质资源急剧减少,野生种类已难以找到。短萼黄连和黄连同属国家三级保护植物,在中国植物红皮书中濒危级别为渐危。自20世纪70~80年代以来,一些科学工作者对黄连属植物进行了大量的研究工作,但较多的是针对黄连属植物,特别是黄连的成分化学、药材质量、药理学及临床应用等方面,但对黄连属的形态学研究,包括黄连属的解剖学和孢粉学研究,尤其在分子方面的证据几乎为零,短萼黄连与黄连的比较研究也未见报道;黄连属植物的稀危原因与机制至今了解不多,缺少对短萼黄连等的生物生态学特性在内的,有关其致濒机制的系统研究。
     为此,本文从地理分布与生态环境、生长与繁殖特性、形态解剖学、种群与群落学特性及免疫血清学和同工酶等几个方面对两种黄连进行了较为详细的研究,以期探寻短萼黄连的致濒机制,并针对性地提出合理的保护对策和建议;同时为短萼黄连和黄连的分类、系统研究提供参考资料。研究结果如下:
     1、短萼黄连自然分布于安徽、浙江、广西、福建及广东等省,多生于海拔600~1600m之间的山地沟边林下或山谷阴湿处,呈间断性零星或小块状分布,其模式标本采于广西全州。黄连自然分布于陕西、湖北、四川等地,多生长于海拔500~2000m之间的山地林中或山谷阴湿处,其模式标本采自于四川成口。野生黄连现已极为稀少,市场上所售黄连几乎全是栽培。两者对生态环境的要求相似,均忌高温干旱,要求气温冷凉,降雨丰富,日照少;要求土壤容重小、孔隙度大和砂粒含量高;土壤呈酸性反应,有机质含量高;养分中氮、钾丰富。
     2、两种黄连均为浅根系植物,花期基本一致。从移栽于校园内的情况看,黄连始花的时间略早于短萼黄连。两种黄连每花具有雌蕊心皮8~12,每心皮具胚珠6~10枚,但由于两者的雄蕊败育及胚珠败育率均较高,加上雌雄蕊异熟,雄蕊花丝较短,雌蕊较长,而开花季节传粉昆虫因气温较低活动较少,结实率较低,这也是
    
    两种黄连的濒危原因之一。
     3、短粤黄连在形态、解剖方面与黄连的结构基本一致,均为发达须根系植物,
    根只具有初生结构,表皮具角质层,上表皮无气孔,沿叶脉处密生指状表皮毛;下
    表皮分布无规则型气孔;两者花粉均为球形,具散孔,花粉外表壁及孔盖有短刺,
    黄连花粉孔的密度大于短曹黄连。
     4、免疫血清学是植物分类学研究中有效而简便的方法之一。从两种黄连的当
    年生成熟叶片中提取多组分球蛋白,作为抗原,进行的抗原电泳谱带相同,均为6
    条带,且迁移率也相同,Rf值分别为0.013、0.081、0.200、0.338、0.513和0.656。
    说明两种黄连具有同源蛋白或相同的蛋白。免疫双扩散的结果显示,抗原与抗体间
    反应所产生的沉淀线,无论是以抗原为中心,另两个为相同或不同的抗血清,还是
    以抗血清为中心,另两个为相同或不同的抗原,均产生一条清晰的沉淀带,且两沉
    淀带相吻合,边缘光滑,说明两种黄连的抗原距离为零,二者具有相同的蛋白质。
    由此得出,用免疫血清学方法难以对两种黄连作出分类学上的鉴定。
     5、利用同工酶电泳技术对两种黄连的三种同工酶进行了分析研究。两种黄连
    的过氧化物酶同工酶共有5条谱带,前三条带染色较深,后两条带较浅,两种及居
    群间无差别;酉旨酶同工酶共有4条谱带,其中前两条带染色较深,且种间无差别;
    苹果酸脱氢酶谱带最多,共有9条,且8、9两条带较粗,种间及种群间也无差异。
    对三种同工酶谱带的聚类分析认为,在本文研究的3种同工酶水平上,两物种及其
    不同居群间无差别。短尊黄连居群间的同工酶谱带无差异,说明短尊黄连的遗传多
    样性水平较低,居群间的遗传一致程度很高。由此认为,该物种的居群间遗传距离
    与地理分布差异不显著。遗传多样性较低也有可能是其稀危的因素之一。
     6、根据对两物种的形态、解剖、花粉、免疫血清学、同工酶等方面的研究,
    确立两种黄连的分类地位,支持诚静容等将短尊黄连作为黄连一变种的处理。
     7、根据短尊黄连的生物生态学特性,建议采取就地保护和迁地保护的措施对
    其实施保护;同时加强自然保护区的建设,保护其生存环境,制定相关的规章制度,
    做好宣传工作,使广大人民意识到生物多样性丧失的严重后果;严禁山民和药农大
    量采挖。另外应加大科学研究,以寻求解决短粤黄连的解危措施。
Coptis chinensis var.brevisepala and C. chinensis which are often used as traditional Chinese medicine for removing internal heat belong to the genus Coptis Salisb from the family Ranunculaceae. The former is a variety of the latter. At present, its resources of the species are decreasing quickly. It is rather difficult to find the wild species now. C.chinensis var.brevisepala was listed as an endangered species of our country in Red Data Book. Although some workers have paid much attention to C. chinensis since 1980', the research of C. chinensis var. brevisepala and relationship to C. chinensis are not reported. The mechanism by which the endangered situations of the two species were invoked natures is still unknown.
    This paper is mainly dealing with the two species regarding to population biology, growth and reproduction biology, serology and isozyme of the two species. In this study, The threatened factors and the measures for preserving the species were proposed. The results are as follows:
    1. C.chinensis var.brevisepala is distributed natively in the areas of Anhui, Zhejiang, Guangxi, Fujiang provinces, while C.chinensis occurs in Shanxi, Hubei and Sichuan etc. The natural distribution of C. chinensis is very limited of narrow, fragmentary areas. The population size is very small, so it is difficult to find wild individuals in some areas. Most of the populations are short of adult individuals. Every population isn't dominant in its community. The two species grow in mountain forest or at the edge of mountain valley at the altitude of 600-1600m, with the surroundings beings moist and shady, and the soil yellow-brown acid with the pH of 5.5 ~ 7.0.
    2. From observation of the plants cultivated in Anhui normal university, the time C. chinensis begin to flower is earlier than that of C. chinensis var.brevisepala and the rate of pollination is very low. There are 8-12carpels in a flower, generally, of which 5-6
    
    
    
    develop into fruits and in each follicle, there are 5-6 ripe seeds. Some ovules don't develop fully. In some flowers, the pistil is not pollinated, so the pistil didn't develop. The pistil is higher than stamen. Earlier-flowering, cold weather and scarce of insect activities, probably caused the low set-rate of seed, which threatened the growth of the two species.
    3. C. chinensis var.brevisepala is identical with C. chinensis in morphological and anatomical characters. Both have fibrous root system and the primary structure is not strong. The leaf epidermis of them have cuticle. The stomatas in irregular form were distributed on the abaxial epidermis, and hairs were distributed on the adaxial along vein. The pollen grains of the two species are spheroidal, pantoporate with pore membrae spinulose. The little difference between the two species is that the bract of C.chinensis var.brevisepala has the phenomenon of special change and its sepal and petal are shorter and wider than those of C. chinensis.
    4. The double-diffusion serology is one of the useful and simple methods in taxonomy. The proteins extracted from the mature leaves of the two species acted as antigen. Put them in electrophoresis, then got 6 bands. The results showed that the moving rate is identical. The values of Rf are 0.013, 0.081, 0.200, 0.034, 0.513, 0.656. C. chinensis has the same protein with C. chinensis var.brevisepala. The result of the agar gel double diffusion produced one band, and the adjoining bands are in coincide. The edges of the two bands are smooth. This showed the precipitation reaction can not distinguish between the two species.
    5. Isozyme technology was explored to study three types of isozymes. POD produced 5 bands. The former 3 bands stained strongly, while the last two bands stained weakly. The research indicated that the two species and the populations have no difference. EST produced 4 bands, the two of which stained strogly. EST in the two species is consistent too. MDH produce 9 bands, and the 8th, 9th are wide than the others, no much difference in both, so the diversity genetic is low.
引文
安徽植物志协作组编,安徽植物志,第二卷.中国展望出版社,313~314
    坂口进.植物免疫化学实验法.上海:上海人民出版社.1976,42~59
    陈灵芝.生物多样性研究的原理与方法(钱迎倩,马克平主编).北京,中国科技出版社,1994,13~35
    陈小勇.生境片断化对植物种群遗传结构的影响及植物遗传多样性保护.生态学报,2000.20(5):884~892
    诚静容,萧培根,王文采.中国毛茛科药用植物研究Ⅰ.中药黄连的原植物.药学学报,1965,12(3):193~200
    丁葆祖,杨静仪,即晋川,吴逸.黄连组织培养的研究Ⅰ.愈伤组织的诱导及继代培养.中草药,1984,15(12):28~30
    方炎明,曹航南,尤录祥.鹅掌楸苗期动态生命表.应用生态学报,1999,10(1):7~10
    傅立国(主编),1992.中国植物红皮书——稀有濒危植物(第一册).北京:科学出版社
    葛颂.酶电泳资料和系统与进化植物学研究综述.武汉植物学研究,1994,12(1):71~82
    葛滢,常杰,岳春雷,陆大根.杭州石荠苧种子萌发的生理生态学研究.植物生态学报,1998,22(2):171~177
    国家环境保护总局,中国科学院植物研究所,1987.中国珍稀濒危植物名录.北京:科学出版社
    洪德元.中国科学院生物多样性研讨会会议录(汪松等编).北京,1990,40~44
    胡能书,万国贤.同工酶技术及其应用.长沙,湖南科学技术出版社,1985
    胡小辉,陈家宽,王建波,何国庆,葛颂.长喙毛茛泽泻遗传多样性及其与繁育系统的关系.云南植物研究,1999,21(2):232~238
    黄双全,郭友好.传粉生物学研究进展.科学通报.2000,45(3):225~237
    黄双全.用RAPD方法初探鹅掌楸的花粉流.科学通报.1998,43(14):1517~1519
    季本仁,李恒等.重楼属植物的免疫血清学研究.云南植物研究,1986,8(2):323~332
    蒋志刚,马克平,韩兴国(主编).保护生物学.杭州:浙江科学技术出版社,1997
    兰进,杨世林,郑玉权,邵家斌,李勇.黄连的研究进展.中草药,2001,32(12):1139~1141
    李景侠,张文辉,李红.稀有濒危植物独叶草种群分布格局的研究.西北植物学报,2001,21(5):879~884
    李明,曾唏,季祥彪,熊继文,康冀川.盐酸黄连素对蚜虫生物活性的研究.昆虫学报,1999,42(2):140~144
    李万良.植物血清分类学的进展.生物科学动态,1989,(1):1~7
    李先恩,陈瑛,张军.黄连种子胚后熟期间的生理生化变化及激素的影响.中国中药杂志,1997,22(5):272~274
    李义明,李欣海,李典谟.种群生存力分析.见:蒋志刚,马克平,韩兴国(主编),保护生物学.杭州:浙江科学技术出版社.1997
    李正理,李荣敖.黄连种子后熟过程的解剖学研究.植物学报,1985,27(2):122~127
    刘济明,钟章成.梵净山栲树群落的种子雨、种子库及更新.植物生态学报,2000,24(4):402~407
    刘启新,惠红等.前胡属血清分类学研究.植物资源与环境,1998,7(1):20~26
    刘树民,张素艳,邹存珍.黄连的现代临床应用及机理探讨.中医药信息,2000,(4):22~23
    卢萍,郭洪祝,鲁宽科.稀土对黄连愈伤组织生长及生物碱含量的影响.中国药学杂志,1999,34(3):153~155
    鲁高莲,胡正海.黄连根茎中小檗碱积累的组织化学研究.西北植物学报,1994,14(3):164~168
    鲁宽科,常振战,陈宝卫.稀土元素对植物的激素样作用.北京医科大学学报.1997,29(4):289~291
    毛堂芬,颜谦,方周伯.蔗糖和硝酸铵对黄连悬浮培养细胞生长和小檗碱含量的影响.生物技
    
    术,1994,4(3):33~35
    罗艳,周浙昆.栎属青冈亚属(壳斗科)的叶表皮研究.植物分类学报,2001,39(6):489~501
    濮社班,周玮华,张宇和.江苏引种黄连副产物的生物碱含量测定.中国野生植物资源,1998a,19(3):41~43
    濮社班.江苏省引种黄连的生长状况及生物碱积累.中国中药杂志,1998b,23(11):659~660
    钱迎倩.生物多样性的几个问题(续).植物学通报,1998a,15(6):1~18
    钱迎倩.生物多样性的几个问题.植物学通报,1998b,15(5):1~15
    区炳庆,任吉君,何丽灿.不同品种南瓜POD及PPO同工酶的比较研究.武汉植物学研究,2003,21(1):77~80
    盛海燕,常杰,殷现伟,樊梅英,葛滢.濒危植物明党参种子散布和种子库动态研究.生物多样性,2002,10(3):269~273
    苏东梅.柿属君迁子和湖南九个乡土柿品种过氧化物酶同工酶的研究.武汉植物学研究,1991,9(3):253~258
    苏智先,张素兰.珙桐种群生殖物候及其影响因子研究.四川师范学院学报,1999,20(4):313~318
    汪小凡.中国泽泻科四属的花部综合特征及对传粉方式的适应性.武汉大学学报,2001b,47(4):485~492
    吴安仁,张进仁.慈.过氧化物酶同工酶对柑桔分类的探讨.园艺学报,1985,12(2):80~87
    吴发旺,陈勇.珍稀植物短萼黄连的引种栽培实验,宁德师专学报,1998,10(3):209~211
    徐诺.黄连中自由基清除剂的分离.国外医学-中医中药分册,1998,20(6):30
    徐如涓,季本仁,段金玉.玉米素核苷的酶标免疫测定法.云南植物研究,1986,8(3):333~342
    颜亨梅.物种濒危的机制与保护对策.生命科学研究,1998,2(1):6~11
    颜谦,毛堂芬,方周伯,沈永珍.黄连培养细胞中高产小檗碱细胞系的筛选.贵州农业科学,1997,25(2):9~11
    杨茜,乔辰等,四种落叶松种子球蛋白免疫血清学的初步研究.植物研究,1995,15(4):546~550
    杨自湘,奚声珂.胡桃属十种植物的过氧化物酶分析.植物分类学报,1989,27(1):53~57
    余昌均.利川黄连生长的环境条件及生物碱含量.湖北农业科学,1996,(3):44~45
    虞泓,葛颂,黄瑞复,姜汉侨.云南松及其近缘种的遗传变异与亲缘关系.植物学报,2000,42(1):107~110
    虞泓,钱韦,黄瑞复.云南松种群遗传学研究的等位酶分析方法.云南植物研究,1999,21(1):68~80
    张浩,陈钧,晁若冰,庄燕黎,李小华.黄连属植物愈伤组织诱导及生物碱产生.中国中药杂志,1996a,21(8):465~467
    张浩,陈炜,晁若冰,王雪耕,庄燕黎,李小华.不同理化因子对黄连愈伤组织生长和生物碱合成的影响.生物工程学报,1996b,12(增刊):304~307
    张丽萍,陈震,马小军,赵杨景.不同氮素水平对黄连植株生长及根茎小檗碱含量的影响.中国中药杂志,1998,23(7):394~396
    张丽萍,陈震,马小军,赵杨景.氮、磷、钾对黄连植株生长、小檗碱含量的影响.中国中药杂志,1997,22(1):13~14
    张丽萍,陈震,马小军.氮源对黄连植株生长及根茎小檗碱含量的影响.中草药,1995,26(7):387
    张志良.植物生理学实验指导(第二版).北京,高等教育出版社,1990,226~227,242~243
    张文辉,祖元刚,刘国彬.十种濒危植物的种群生态学特征及致危因素分析.生态学报,2002,22(9):1512~1520
    张小平,周忠泽.中国蓼科花粉的系统演化.合肥,中国科学技术大学出版社.1998,15
    黄正方,杨美全,孟忠贵,黄葵,李成东.黄连生物学特性和主要栽培技术.西南农业大学学报,1994,16(3):299~602
    
    
    张小平.毛冠菊属的花粉形态和结构及其系统学意义.微体古生物学报.2000,7(2):228~233
    赵庆国,吴素体,王颖,谢进,肖小河,贺承山.不同品种和产地黄连的总生物碱含量测定.时珍国医国药,2001,12(11):974
    郑凤英,张金屯,上官铁梁,张峰.濒危植物矮牡丹的分布格局及其生存群落的数量分析.武汉植物学研究,1998,16(3):255~262
    钟秀芬,张立彬,于风鸣.中国李品种过氧化物酶同工酶研究.园艺学报,1992,19(2):123~128
    朱静,石任兵,刘斌.黄连的药理学研究进展(综述).北京中医药大学学报,2001,24(6):51~53
    朱晓琴,贺善安,姚青菊,马建霞,於虹.鹅掌楸种群遗传结构及其保护对策.植物资源与环境,1997,6(4):7~14
    朱振东.黄连生物碱对植物病原菌的抑制作用及其应用的初步研究.华中农业大学学报,1991,10(4):342~346
    祖元刚,张文辉,吴双秀,周福军,杨逢建.裂叶沙参和泡沙参种群有性生殖和无性生殖的比较.植物学报,1997,39(11):1065~1072
    Bazzaz FA, Harper JL. Demographic analysis of the growth of Linu usiissimum. New Phytol, 1977,78:29~52
    Clampitt C A. Reproductive biology of Aster curtus, a pacific northwest endemic. Amer J Bot, 1987,74:941-946
    Cook C D K. Wind Pollination in AquaticAngiosperms. Ann Miss Bot Gard, 1988,75:768-777
    Fan R W, Zhou J,Huang JQ. The controlled pollination and seed setting rate of Liriodendron chinense(Hemsl.)Sarg. Chinese J Bot(植物学通报),1995.7(1):24
    Jing Xin Ming, Zheng Guang Hua. The characteristics in seed germination and dormancy of four wild species of tree peonies and their bearing on endangerment. Acta Phytoecol Sin(植物生理学报), 1999,25(3):214~221
    Karron J D. Genetic structure of oppulations of geographically restricted and widespread species of Astragalus (Fabaceae). Amer. J.Bot., 1988,75(8):1114~1119
    Kobayashi Y, Yoshinori Kobayshi,Yoshineri Yamashita. Inhibitors of DNA topoisomerase and isolated fromthe Coptis Rhizomes. Planta Med, 1995,61(5):414~417
    Niesenbaum R A. Sex ratio,components of reproduction,and pollen deposotion in Lindera benzoin(Lauraceae).Amer JBot,1992.79(50):495
    Philbrick C T, Anderson G J. Implications of pollen/ovule ratios and pollen size for the reproductive biology of potamogeton and autogamy in aquatic angiosperms. Sys Bot, I987,12:98~105
    Posluszny U,Charlton W A. Evolution of Helobiai Flower. Aquat Bot, 1993,44:303~324
    Prager E M. Rate of evolution in conifers(Pinaceae). Evolution, 1976,30:637~649
    Snow A A, Spira T P. Pollen vigour and the potential for sexual selection in plants. Nature,1991. 352:796
    Whitlock M C, David E M. Indirect measures of gene flow and migration: F_(ST)≠1/(4Nm+1). Heredity, 1999,82:117~125
    Xie Zong-Qiang, Li Qing-Mei. Seed characteristics of endangered plant Cathaya argyrophyila. Acta Phytoecol Sin(植物生理学报),2000,24:82~86.
    ZHOU Shi-liang,PAN Kai-hu,HONG De-yuan.Comparative Studies on Pollination Biology of Moslahangchouensis and M. Chinensis(L abiatae). Acta Botanica Sinica(植物学报), 1996, 38(1):30~54

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700