发布求助
文献互助 智能选刊 最新文献

Comparative biochemistry and physiology最新文献

筛选
英文 中文
Utilization of photosynthetic products of symbiotic chloroplasts in mucus synthesis by Placobranchus ianthobapsus (gould), opisthobranchia, sacoglossa 共生叶绿体光合产物在粘液合成中的利用
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90964-3
Merriley E. Trench , Robert K. Trench , Leonard Muscatine
{"title":"Utilization of photosynthetic products of symbiotic chloroplasts in mucus synthesis by Placobranchus ianthobapsus (gould), opisthobranchia, sacoglossa","authors":"Merriley E. Trench ,&nbsp;Robert K. Trench ,&nbsp;Leonard Muscatine","doi":"10.1016/0010-406X(70)90964-3","DOIUrl":"10.1016/0010-406X(70)90964-3","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. About 5–10 per cent of the net <sup>14</sup>C photosynthetically fixed by symbiotic chloroplasts in the marine slug <em>Placobranchus ianthobapsus</em> (Gould) was secreted in mucus.</p></span></li><li><span>2.</span><span><p>2. After acid hydrolysis of mucus, most of the <sup>14</sup>C was found in galactose and glucose.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages 113-117"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90964-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82046903","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: 31
Amino acid composition of Macrocentrus thoracicus cocoon wall protein 胸大中央菇茧壁蛋白的氨基酸组成
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90961-8
S. Hunt
{"title":"Amino acid composition of Macrocentrus thoracicus cocoon wall protein","authors":"S. Hunt","doi":"10.1016/0010-406X(70)90961-8","DOIUrl":"10.1016/0010-406X(70)90961-8","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. The cocoon protein of the braconid, apocrite, hymenopteran <em>Macrocentrus thoracicus</em> has been analysed for amino acids.</p></span></li><li><span>2.</span><span><p>2. The amino acid composition confirms that the cocoon is made up of a structure protein with the general properties of the arthropod sild fibroins.</p></span></li><li><span>3.</span><span><p>3. The implications of the amino acid composition for the interpretation of the molecular organization of the proteins in the cocoon wall, in terms of the X-ray diffraction diagram they give rise to, are commented upon.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages 93-99"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90961-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84620254","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: 2
The coupling of magnesium secretion and sodium reabsorption in the kidney of teleost 硬骨鱼肾脏中镁分泌与钠重吸收的耦合作用
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90963-1
Yu.V. Natochin, G.P. Gusev
{"title":"The coupling of magnesium secretion and sodium reabsorption in the kidney of teleost","authors":"Yu.V. Natochin,&nbsp;G.P. Gusev","doi":"10.1016/0010-406X(70)90963-1","DOIUrl":"10.1016/0010-406X(70)90963-1","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. There is a negative correlation between the bladder urine concentration of Na and Mg in the scorpion fish.</p></span></li><li><span>2.</span><span><p>2. Mg excretion and Na reabsorption are sharply increased after intramuscular injection of MgCl<sub>2</sub> solution to migrating juvenile salmonoids and horse mackerel. A close positive correlation is observed between the amount of the reabsorbed Na ions and that of the secreted Mg ions.</p></span></li><li><span>3.</span><span><p>3. After inhibition of Na reabsorption by Brinaldix or Lasix, Mg secretion decreased.</p></span></li><li><span>4.</span><span><p>4. The data obtained indicate an important role for Na reabsorption in Mg secretion in fish kidney.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages 107-111"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90963-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16563947","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: 30
Phylogenetic differences in spontaneous contractility of isolated heart muscle cells 离体心肌细胞自发收缩性的系统发育差异
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90967-9
Sherman Bloom
{"title":"Phylogenetic differences in spontaneous contractility of isolated heart muscle cells","authors":"Sherman Bloom","doi":"10.1016/0010-406X(70)90967-9","DOIUrl":"10.1016/0010-406X(70)90967-9","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. Separated adult mammalian and avian heart muscle cells were observed to contract and relax spontaneously under conditions which cause contracture of reptilian and amphibian heart muscle cells.</p></span></li><li><span>2.</span><span><p>2. The role of catecholamines in imparting resistance to potassium-induced contracture could not be demonstrated with the separated cells, as it has with papillary muscle preparations.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages 127-129"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90967-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16563949","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: 11
Contents lists 内容列表
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90969-2
{"title":"Contents lists","authors":"","doi":"10.1016/0010-406X(70)90969-2","DOIUrl":"https://doi.org/10.1016/0010-406X(70)90969-2","url":null,"abstract":"","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages i-iv"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90969-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137228335","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: 0
Adenosine triphosphatase activity of heart mitochondria of the turtle, Chrysemys picta 鳖心脏线粒体腺苷三磷酸酶活性的研究
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90953-9
A.J. Rotermund , C.A. Privitera
{"title":"Adenosine triphosphatase activity of heart mitochondria of the turtle, Chrysemys picta","authors":"A.J. Rotermund ,&nbsp;C.A. Privitera","doi":"10.1016/0010-406X(70)90953-9","DOIUrl":"10.1016/0010-406X(70)90953-9","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. ATPase activity has been estimated in heart mitochondria of the fresh-water turtle, <em>Chrysemys picta</em>.</p></span></li><li><span>2.</span><span><p>2. This activity is Mg<sup>2+</sup>-dependent and stimulated by the presence of DNP.</p></span></li><li><span>3.</span><span><p>3. The pH optima of ATPase activities are 8·5 with Mg<sup>2+</sup> ions, and 7·4 in the presence of DNP.</p></span></li><li><span>4.</span><span><p>4. Differential responses to inhibitors are evident in the presence of added Mg<sup>2+</sup> ions or DNP, with DNP-stimulated activities being sensitive to a wider spectrum of inhibitors and to the aging process.</p></span></li><li><span>5.</span><span><p>5. Bovine serum albumin, but not EDTA, effectively preserves DNP-stimulated ATPase activity during aging. A causal relationship with fatty acids is implied.</p></span></li><li><span>6.</span><span><p>6. These data may be used to support either a one or a two enzyme hypothesis, with the latter being favored.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages 1-22"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90953-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15358444","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: 4
Comparative effects of temperature on brain enzymes in the goldfish (Carassius auratus) and mouse (Mus musculus) 温度对金鱼(Carassius auratus)和小鼠(Mus musculus)脑酶的比较影响
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90966-7
R.S. deRopp, L.H. Kastl, A. Furst
{"title":"Comparative effects of temperature on brain enzymes in the goldfish (Carassius auratus) and mouse (Mus musculus)","authors":"R.S. deRopp,&nbsp;L.H. Kastl,&nbsp;A. Furst","doi":"10.1016/0010-406X(70)90966-7","DOIUrl":"10.1016/0010-406X(70)90966-7","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. Activities of monoamine oxidase (MAO) and dopadecarboxylase (DOPAd) from the brains of mice and goldfish both increased with rise in temperature.</p></span></li><li><span>2.</span><span><p>2. Glutamic decarboxylase (GAD) from fish brain differed from mouse brain GAD in decreasing in activity as temperature of the reaction was raised from 20 to 37°C.</p></span></li><li><span>3.</span><span><p>3. Heat inactivation of MAO from the brains of both species showed a different pattern of heat inactivation from that of the same enzyme derived from the liver.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages 123-125"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90966-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16563948","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: 7
Induction of fasting hypoglycemia and hyperinsulinemia in the mouse by pituitary and urinary peptides 垂体和尿肽诱导小鼠空腹低血糖和高胰岛素血症
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90955-2
Merlyn C. Minick
{"title":"Induction of fasting hypoglycemia and hyperinsulinemia in the mouse by pituitary and urinary peptides","authors":"Merlyn C. Minick","doi":"10.1016/0010-406X(70)90955-2","DOIUrl":"10.1016/0010-406X(70)90955-2","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. A urinary polypeptide (FI) from the urine of lipoatrophic diabetics and a similar peptide (BPI) from bovine adenohypophysis induced significant fasting hypoglycemia and increased glucose tolerance in the mouse.</p></span></li><li><span>2.</span><span><p>2. The effects of FI and BPI on blood sugar levels were absent in mice pretreated with alloxan and <span>D</span>-mannoheptulose.</p></span></li><li><span>3.</span><span><p>3. Plasma immunoinsulin was significantly increased after FI and BPI administration and significantly decreased in mice pretreated with <span>D</span>-mannoheptulose.</p></span></li><li><span>4.</span><span><p>4. It was concluded that FI and BPI induction of fasting hypoglycemia and enhanced glucose tolerance is mediated by endogenous insulin release.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages 39-48"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90955-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15425228","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: 8
Utilization of caudal fat by hibernating common lizards, Lacerta vivipara 冬眠的普通蜥蜴(Lacerta vivipara)利用尾鳍脂肪
Comparative biochemistry and physiology Pub Date : 1970-11-01 DOI: 10.1016/0010-406X(70)90965-5
R.A. Avery
{"title":"Utilization of caudal fat by hibernating common lizards, Lacerta vivipara","authors":"R.A. Avery","doi":"10.1016/0010-406X(70)90965-5","DOIUrl":"10.1016/0010-406X(70)90965-5","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. Lipids in the abdominal fat bodies and the tail of <em>Lacerta vivipara</em> caught in August and September accounted for one third of the dry body weight.</p></span></li><li><span>2.</span><span><p>2. When the lizards emerged from hibernation in March and April, lipids accounted for only one sixth of the dry body weight. Half of the loss was from the tail.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"37 1","pages":"Pages 119-121"},"PeriodicalIF":0.0,"publicationDate":"1970-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90965-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88470599","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: 65
Oxygen consumption and the respiratory pigment in the fresh-water nemertean, Prostoma rubrum 淡水鱼红原口的耗氧量和呼吸色素
Comparative biochemistry and physiology Pub Date : 1970-10-15 DOI: 10.1016/0010-406X(70)90537-2
John J Poluhowich
{"title":"Oxygen consumption and the respiratory pigment in the fresh-water nemertean, Prostoma rubrum","authors":"John J Poluhowich","doi":"10.1016/0010-406X(70)90537-2","DOIUrl":"10.1016/0010-406X(70)90537-2","url":null,"abstract":"<div><p></p><ul><li><span>1.</span><span><p>1. The oxygen consumption and respiratory rate of the freshwater nemertean, <em>Prostoma rubrum</em>, were determined at 20°C.</p></span></li><li><span>2.</span><span><p>2. The mean respiratory rate for forty-nine specimens was 0·700 μl O<sub>2</sub>/mg dry wt. per hour (±0·071).</p></span></li><li><span>3.</span><span><p>3. Oxygen consumption varied with the 0·478 power of the body weight.</p></span></li><li><span>4.</span><span><p>4. A heme-containing pigments is present which may assist in the respiratory process.</p></span></li></ul></div>","PeriodicalId":78189,"journal":{"name":"Comparative biochemistry and physiology","volume":"36 4","pages":"Pages 817-821"},"PeriodicalIF":0.0,"publicationDate":"1970-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0010-406X(70)90537-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74720030","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: 8
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信