Mark A. Ragan's A Biochemical Phylogeny of the Protists PDF

By Mark A. Ragan

ISBN-10: 0125755503

ISBN-13: 9780125755504

ISBN-10: 0323155618

ISBN-13: 9780323155618

Show description

Read or Download A Biochemical Phylogeny of the Protists PDF

Similar chemical books

Calcium and chemical looping technology for power generation by Paul Fennell, Ben Anthony PDF

Calcium and Chemical Looping know-how for energy iteration and Carbon Dioxide (CO2) catch reports the elemental ideas, structures, oxygen vendors, and carbon dioxide companies correct to chemical looping and combustion. Chapters evaluation the industry improvement, economics, and deployment of those platforms, additionally delivering particular info at the number of fabrics and procedures that would support to form the way forward for CO2 trap prepared strength crops.

Additional resources for A Biochemical Phylogeny of the Protists

Example text

I n a n i n t e r e s t i n g series of p a p e r s , S t o r c k a n d c o - w o r k e r s h a v e e x a m i n e d c o r r e l a t i o n s b e t w e e n D N A G C r a t i o s a n d t h e t a x o n o m i c s t a t u s of fungi. 2 31 DNA: Structure and Composition TABLE 1 DNA GC Ratios GC ratio Organism Bacteria" Flexibacter elegans F. rubrum Flexothrix sp. ) Saprospira grandis S. thcrmalis Vitreoscilla spp. ) Chlorobium spp. ) Chromatium sp. Rhodospirillum rubrum Cyanophyceae Agmenellum quadruplicatum Anabacna spp.

Similarities b e t w e e n t h e D N A G C r a t i o s of f l a g e l l a t e d p r o t o z o a a n d u n i c e l l u l a r a l g a e a r e s u g g e s t i v e of p h y l o g e n e t i c r e l a t i o n s h i p s b u t a r e far f r o m c o n c l u s i v e . I n c r e a s e in t h e D N A G C c o n t e n t h a s b e e n c o r r e l a t e d w i t h a n i n c r e a s e in t h e f r e q u e n c y of o c c u r r e n c e of t h e " u n u s u a l " d e o x y r i b o n u c l e o t i d e b a s e 5m e t h y l c y t o s i n e ( P a k h o m o v a et ai, 1968).

T h e b a s i s of t h e p h y l o g e n e t i c s i g n i f i c a n c e of m o l e c u l a r w e i g h t s is, h o w e v e r , u n c l e a r . All p r o k a r y o t e s , c h l o r o p l a s t s , a n d possibly m i t o c h o n d r i a , o n o n e h a n d , p o s s e s s R N A s p e c i e s s e d i m e n t i n g a t 23 S a n d 16 S; t h e n u c l e i a n d e x t r a o r g a n e l l a r c y t o p l a s m , o n t h e o t h e r h a n d , p o s s e s s h e a v i e r s p e c i e s s e d i m e n t i n g a t 25 S - 2 8 S a n d 18 S ( T a b l e 5).

Download PDF sample

A Biochemical Phylogeny of the Protists by Mark A. Ragan


by Kevin
4.4

Rated 4.13 of 5 – based on 31 votes