Comparative aspects of development and differentiation in actinomycetes.
引用次数: 139
Abstract
INTRODUCTION ............................................................. 469 Aims and Scope .............................................................. 469 Suitability of Various Types of Cultures for Studies of Development and Differentiation .................................................................. 470 Growth of Actinomycetes ................. ................................... 471 LIFE CYCLES IN THE ACTINOMYCETALES ....... ......................... 472 Generalized Scheme of Events Accompanying Reproduction ...... ............. 472 Multiplicity of Reproductive Patterns ......... ............................... 474 Rare and Unconfirmed Modes of Reproduction ........ ........................ 475 STATIC ASPECTS OF DIFFERENTIATION ........ .......................... 475 Differentiation within Colonies ............ .................................. 475 Differentiation of the Mycelium: Primary versus Secondary Mycelium ..... .... 476 Cellular Differentiation ................. .................................... 477 Amycelial Structures ....................................................... 479 Modes of Spore Formation ................ ................................... 481 Spores .................................................................. 483 Structure ................................................................. 483 Composition .............................................................. 484 Physiology ............................................................... 486 DYNAMIC ASPECTS OF DIFFERENTIATION ....... ......................... 487 Age-dependent Changes in Actinomycete Cells ....... ......................... 487 Environmental Conditions and Morphogenesis ....... ......................... 488 Metabolic Activity and Morphogenesis ......... ............................... 489 Environmental Factors in Control of Sporulation ....... ...................... 489 Nutritional limitations and sporulation: desiccation and other triggers ....... 489 Nutritional requirements for sporulation ........ ........................... 490 Supression of sporulation .............. .................................... 491 Sporulation under natural conditions ......... .............................. 491 Internal Factors in Control of Sporulation ...... . ............................. 491 Variants and mutants with impaired differentiation ...... ................... 492 Sporulation and chromosomal genes ......... .............................. 493 Sporulation and plasmids ............. ..................................... 493 Proteolytic activity and sporulation and the question of RNA polymerase modification .................................................................. 493 Involvement of specific factors in regulation of sporulation ..... ............. 494 Spore Germination and Types of Dormancy Encountered ...... ................ 495 Constitutive dormancy of thermoresistant endospores and an overall picture of germination ........................................................... 496 Possibility of an alternative way for release from dormancy ..... ............ 496 Germination of exospores .............. .................................... 498 DIFFERENTIATION AND SECONDARY METABOLISM ...... ................ 500 Points of Similarity in Origin and Flow ......... ............................. 500 Prospects for Involvement of Antibiotics and Pigments in Regulation of Metabolism..................................................................... 503 Antibiotics and Their Components as Possible Building Blocks ..... ........... 504 LITERATURE CITED ........................................................ 506放线菌发育和分化的比较方面。
介绍 .............................................................469年的目标和范围 ..............................................................469的各种类型的文化适应性研究的发展和分化 ..................................................................470放线菌的生长 ................. ...................................471年在放线菌目生命周期 ....... .........................472伴随繁殖事件的广义方案...... .............472多种生殖模式 ......... ...............................474年罕见的和未经证实的繁殖方式 ........ ........................475静态方面的分化 ........ ..........................475年殖民地内分化 ............ ..................................475菌丝的分化:初生菌丝与次生菌丝..... ....476细胞分化 ................. ....................................477年Amycelial结构 .......................................................479的孢子的形成模式 ................ ...................................481个孢子 ..................................................................483结构 .................................................................483年组成 ..............................................................484年生理 ...............................................................486动态方面的分化 ....... .........................487年放射菌类细胞年龄相关性变化 ....... .........................487环境条件和形态发生 ....... .........................488代谢活动和形态发生 ......... ...............................489年控制孢子形成的环境因素 ....... ......................营养限制和产孢:干燥和其他诱因.......489年孢子形成的营养需求 ........ ...........................490抑制孢子形成 .............. ....................................491年在自然条件下孢子形成 ......... ..............................491年控制孢子形成的内在因素 ...... . .............................491个变异和突变体受损的分化 ...... ...................492个孢子形成和染色体的基因 ......... ..............................493个孢子形成和质粒 ............. .....................................493蛋白水解活性和孢子形成和RNA聚合酶的问题修改 ..................................................................参与调控孢子形成的特定因素..... .............494孢子萌发和休眠类型遇到...... ................495本构休眠的抗热的内生孢子和萌发的总体情况 ...........................................................从休眠状态中释放的替代方法的可能性..... ............496年外生孢子的萌发 .............. ....................................498分化和次生代谢 ...... ................500点相似的起源和流 ......... .............................500年前景抗生素和色素参与调节新陈代谢 .....................................................................503抗生素及其成分作为可能的构建模块..... ...........504年文献引用 ........................................................506
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