Comparative biochemistry and physiology最新文献_第3页

A study of trypsin in Calosoma calidum (FAB.) and Carabus taedatus FAB Calosoma calum (FAB.)和Carabus teedatus FAB中胰蛋白酶的研究

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90561-X

A.C Cheung, R.H Gooding

引用次数: 15

The coelomic elements of sea urchins (Strongylocentrotus and centrostephanus—VI. Cellulose-acetate membrane electrophoresis 海胆(strongylocentrrotus和centrrostephanus - vi)体腔成分的研究。纤维素-醋酸膜电泳

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90557-8

Phyllis T Johnson

引用次数: 12

A comparative study of the effect of carnosine on myofibrillar-ATPase activity of vertebrate and invertebrate muscle 肌肽对脊椎动物和无脊椎动物肌肉肌纤维atp酶活性影响的比较研究

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90569-4

Charles J Parker Jr., Ernest Ring

{"title":"A comparative study of the effect of carnosine on myofibrillar-ATPase activity of vertebrate and invertebrate muscle","authors":"Charles J Parker Jr., Ernest Ring","doi":"10.1016/0010-406X(70)90569-4","DOIUrl":"10.1016/0010-406X(70)90569-4","url":null,"abstract":"<div><ul><li>1.1. Carnosine and anserine activate rabbit skeletal muscle myofibrillar-ATPase activity.</li><li>2.2. The total carnosine plus anserine found varies from species to species but is of the order of 20 μmoles per gram of tissue or greater.</li><li>3.3. Invertebrate muscle, however, contains little or no carnosine or anserine.</li><li>4.4. The effects of carnosine on the ATPase activity of myofibrils from rabbit and chicken skeletal muscle and from the muscle of eartworm, lobster and clam were compared.</li><li>5.5. Carnosine had no activiating effect on the ATPase activity of the invertebrate systems in contrast to a two-fold activation of rabbit and chicken skeletal muscle myofibrillar-ATPase activity.</li><li>6.6. The results indicate that carnosine activiation of myofibrillar-ATPase activity may be limited to myorfibrils from muscles that normally contain carnosine and/or anserine as major constituents.</li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 3","pages":"Pages 413-419"},"PeriodicalIF":0.0,"publicationDate":"1970-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90569-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15361478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 36

Changes in heart and skeletal muscle cytrochrome oxidase activity during anaerobiosis in the freshwater tutrle Pseudemys scripta elegans 淡水龟厌氧期间心脏和骨骼肌细胞色素氧化酶活性的变化

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90572-4

Lawerence M Simon, Eugene D Robin

引用次数: 15

Studies on the kynurenine transaminase of Schistocerca gregaria forsk. (Orthoptera, acrididae) 浙江血吸虫叶犬尿氨酸转氨酶的研究。(acrididae直翅目)

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90559-1

S Pinamonti, A Petris, M Miliani

引用次数: 14

Lipid composition of the egg exteriors of the chicken (Gallus gallus) 鸡(Gallus Gallus)蛋外脂质组成

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90571-2

R.J Hasiak, D.V Vadehra, R.C Baker

引用次数: 13

Comparative physical-chemical studies of mammalian arginases 哺乳动物精氨酸酶的比较理化研究

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90563-3

Helga Hirsch-Kolb, John P Heine, Helmut J Kolb, David M Greenberg

{"title":"Comparative physical-chemical studies of mammalian arginases","authors":"Helga Hirsch-Kolb, John P Heine, Helmut J Kolb, David M Greenberg","doi":"10.1016/0010-406X(70)90563-3","DOIUrl":"10.1016/0010-406X(70)90563-3","url":null,"abstract":"<div><ul><li>1.1. Liver arginase (E.C. 3.5.3.1) of various mammalian species (rat, mouse, dog, rabbit, pork, monkey) were partly purified and their isoelectric properties determined by carboxymethyl cellulose column chromatorgraphy and isoelectric focusing.</li><li>2.2. The ureotelic arginase can be divided into mainly two groups; (i) basic and (ii) slightly acidic or neutral proteins.</li><li>3.3. The two groups of arginases showed marked differences in the binding of Mn2+.</li><li>4.4. Only beef liver arginase could be activated by Co2+ and Ni2+, all other mammalian arginases were inhibited by these metal ions.</li><li>5.5. The molecular weights were found to range from 120,000–160,000 daltons.</li><li>6.6. High Michaelis constanta (6–20 mM) were obtained for all arginases studied.</li><li>7.7. Similarities were also found in the pH optima (pH 9·3–10·5) as well as the optimal Mn2+ concentration (40 mM) required to obtain maximal catalytic activity.</li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 3","pages":"Pages 345-359"},"PeriodicalIF":0.0,"publicationDate":"1970-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90563-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16081951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 69

α-Glycerophosphate dehydrogenase in the American cockroach, and its use as a phenetic tool in cockroaches 美洲蟑螂的α-甘油磷酸脱氢酶及其在蟑螂中作为遗传工具的作用

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90564-5

W.P Stephen, I.H Cheldelin

引用次数: 5

Comparative study of serum proteins in four dolphin species (cetaces-odontocetes) 四种海豚(鲸目-齿鲨目)血清蛋白的比较研究

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90565-7

C.L Gallien , M.Th Chalumeau-Le-Foulgoc , J.M Fine

{"title":"Comparative study of serum proteins in four dolphin species (cetaces-odontocetes)","authors":"C.L Gallien , M.Th Chalumeau-Le-Foulgoc , J.M Fine","doi":"10.1016/0010-406X(70)90565-7","DOIUrl":"10.1016/0010-406X(70)90565-7","url":null,"abstract":"<div><ul><li>1.The study of blood serum proteins by different electrophoretic techniques provides a way to study speciation characters among dolphins.</li><li>2.2. The electrophoretic analysis has allowed at least twenty-one constituents to be numbered in Delphinus delphis; twelve of these have been antigenically defined with an anti-D. delphis antiserum. The electrophoretic and immunoelectrophoretic analyses of serum proteins in the species Stenella styx have shown that the two species are almost identical at the serum protein level.</li><li>3.3. Only sixteen constituents are numbered in the serum of Grampus griseus, twelve of whic have been antigenically defined with anti-D. delphis and anti-S. styx antiserums and are common to the three species.</li><li>4.4. Seventeen constituents are numbered in the serum of Globicephala melaena. After the antiserums anti-D. delphis and anti-S. styx have been drained by G. melaena serum, they still posses one antibody which reacts with a β-1-globulin present in D. delphis, S. styx and G. griseus serums. This β-1-globulin appears to be lacking in G. melaena serum.</li><li>5.5. Other differences have been shown between the group formed by D. delphis and S. stys and the two other species, particularly at the transferrin level.</li><li>6.6. The existence of a group system of transferrins has been shown among D. delphis and S. stys.</li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 3","pages":"Pages 375-376, IN3-IN4, 377-385"},"PeriodicalIF":0.0,"publicationDate":"1970-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90565-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15210275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Biochemistry of the development of the insect Ceratitis capitata. In vitro biosynthesis of fatty acids from 14C-acetate during metamorphosis 昆虫头角虫发育的生物化学研究。变态过程中14c -醋酸酯脂肪酸的体外生物合成

Comparative biochemistry and physiology Pub Date : 1970-12-01 DOI: 10.1016/0010-406X(70)90566-9

A.M Municio, J.M Odriozola, A Pinñeiro

{"title":"Biochemistry of the development of the insect Ceratitis capitata. In vitro biosynthesis of fatty acids from 14C-acetate during metamorphosis","authors":"A.M Municio, J.M Odriozola, A Pinñeiro","doi":"10.1016/0010-406X(70)90566-9","DOIUrl":"10.1016/0010-406X(70)90566-9","url":null,"abstract":"<div><ul><li>1.1. Acetate-14C incorporation by the homogenates of the eggs, larvae, pupae and adults of Ceratitis capitata shows clear differences. The pupal and larvae stages of development exhibit the most effective incorporation.</li><li>2.2. NADPH influences the acetate incorporation in a different way. It enhances the incorporation by larval homogenate whereas it produces a net decrease of the incorporation by pupa homogenate.</li><li>3.3. Citrate decreases the acetate incorporation by all homogenates. This effect is higher in the pupal homogenate. As for the influence of citrate on the activatory effect of the mixture ATP-Mg2+ in larval and pupal homogenates, incorporation by larval and pupal homogenates is enhanced and decreased respectively.</li><li>4.4. Differences in the regulation of fatty acid synthesis during larval and pupal stages of development are clearly shown.</li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 3","pages":"Pages 387-395"},"PeriodicalIF":0.0,"publicationDate":"1970-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90566-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76233226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 23