関: invertase、saccharase、sacrosidase

WordNet

an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose (同)saccharase, sucrase
to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form; "let her be"
work in a specific place, with a specific subject, or in a specific function; "He is a herpetologist"; "She is our resident philosopher" (同)follow
have life, be alive; "Our great leader is no more"; "My grandfather lived until the end of war" (同)live
be identical to; be someone or something; "The president of the company is John Smith"; "This is my house"
happen, occur, take place; "I lost my wallet; this was during the visit to my parents house"; "There were two hundred people at his funeral"; "There was a lot of noise in the kitchen"
have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"
occupy a certain position or area; be somewhere; "Where is my umbrella?" "The toolshed is in the back"; "What is behind this behavior?"
spend or use time; "I may be an hour"
stake on the outcome of an issue; "I bet $100 on that new horse"; "She played all her money on the dark horse" (同)wager, play
the act of gambling; "he did it on a bet" (同)wager
maintain with or as if with a bet; "I bet she will be there!" (同)wager
second in order of importance; "the candidate, considered a beta male, was perceived to be unable to lead his party to victory"
the 2nd letter of the Greek alphabet
preliminary or testing stage of a software or hardware product; "a beta version"; "beta software"
beets (同)genus Beta

PrepTutorEJDIC

《連結語として補語を伴なって…『である』,…だ,…です / 《位置・場所を表す語句を伴って》(…に)『ある』,いる(occupy a place or situation) / 〈物事が〉『存在する』,ある(exist);〈生物が〉生存する,生きている(live) / 行われる,起こる,発生する(take place, occur) / 存続する,そのままでいる(remain as before) / 《『be to』 do》 / …する予定である,…することになっている / …すべきだ / 《受動態の不定詞を伴って》…できる / 《命令》…するのだ / 《条件節に》…する意図がある / 《『if…were to』 do》…するとしたなら / 《『be』 do『ing』》《進行形》 / 《進行中の動作》…している,しつつある / 《近い未来》…しようとしている,するつもり / 《動作の反復》(いつも)…している / 《『be』+『他動詞の過去分詞』》《受動態》…される,されている / 《『be』+『自動詞の過去分詞』》《完了形》…した[状態にある]
『かけ』・(…との)かけ《+『with』+『名』》 / かけた物(金) / かけの対象 / 〈金・物〉'を'『かける』 / (かけ事・ゲームなどで)〈人〉‘と'『かけをする』《+『名』〈人〉+『on』+『名』》 / (…に)『かける』《+『on』(『against』)+『名』(one's do『ing』)》
ベータ(ギリシア語アルファベットの第2文字;B,β;英語のB,b に遭当)

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2012/09/27 15:52:52」(JST)

wiki en

Sucrase is the name given to a number of enzymes that catalyze the hydrolysis of sucrose to fructose and glucose. The enzyme invertase, which occurs more commonly in plants, also hydrolyzes sucrose but by a different mechanism.^[1]

Types

EC 3.2.1.10 is sucrase-isomaltase
EC 3.2.1.26 is invertase
EC 3.2.1.48

Physiology

Sucrose intolerance (also known as Congenital Sucrase-Isomaltase Deficiency (CSID) or Sucrase-isomaltase deficiency) occurs when sucrase is not secreted in the small intestine. With sucrose intolerance, the result of consuming sucrose is excess gas production and often diarrhea and malabsorption. Lactose intolerance is a related disorder that reflects an individual's inability to hydrolyze the disaccharide lactose.

Sucrase is secreted by the tips of the villi of the epithelium in the small intestine. Its levels are reduced in response to villi-blunting events such as celiac sprue and the inflammation associated with the disorder. The levels increase in Pregnancy/Lactation and Diabetes as the villi hypertrophy.

Use in chemical analysis

Sucrose itself is a non-reducing sugar and therefore will not test positive with Benedict's solution. In order to test for sucrose, the sample is treated with sucrase. The sucrose is hydrolysed into glucose and fructose, with glucose being a reducing sugar, which in turn tests positive with Benedict's solution^{[citation needed]}.

References

^ Hubert Schiweck, Margaret Clarke, Günter Pollach "Sugar” in Ullmann’s Encyclopedia of Industrial Chemistry 2007, Wiley-VCH, Weinheim. doi:10.1002/14356007.a25_345.pub2

External links

Sucrase at the US National Library of Medicine Medical Subject Headings (MeSH)
Diagnosis of sucrase deficiency

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UpToDate Contents

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English Journal

Current studies on physiological functions and biological production of lactosucrose.

Mu W, Chen Q, Wang X, Zhang T, Jiang B.SourceState Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China. mmu@jiangnan.edu.cn
Applied microbiology and biotechnology.Appl Microbiol Biotechnol.2013 Aug;97(16):7073-80. doi: 10.1007/s00253-013-5079-3. Epub 2013 Jul 5.
Lactosucrose (O-β-D-galactopyranosyl-(1,4)-O-α-D-glucopyranosyl-(1,2)-β-D-fructofuranoside) is a trisaccharide formed from lactose and sucrose by enzymatic transglycosylation. This rare trisaccharide is a kind of indigestible carbohydrate, has good prebiotic effect, and promotes intestinal minera
PMID 23828605

Promoter regions of potato vacuolar invertase gene in response to sugars and hormones.

Ou Y, Song B, Liu X, Xie C, Li M, Lin Y, Zhang H, Liu J.SourceNational Centre for Vegetable Improvement Central China, Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
Plant physiology and biochemistry : PPB / Société française de physiologie végétale.Plant Physiol Biochem.2013 Aug;69:9-16. doi: 10.1016/j.plaphy.2013.04.015. Epub 2013 Apr 30.
Potato vacuolar acid invertase (StvacINV1) (β-fructofuranosidase; EC 3.2.1.26) has been confirmed to play an important role in cold-induced sweetening of potato tubers. However, the transcriptional regulation mechanisms of StvacINV1 are largely unknown. In this study, the 5'-flanking sequence of St
PMID 23688776

Molecular characterization of β-fructofuranosidases from Rhizopus delemar and Amylomyces rouxii.

Orikasa Y, Oda Y.SourceDepartment of Food Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan.
Folia microbiologica.Folia Microbiol (Praha).2013 Jul;58(4):301-9. doi: 10.1007/s12223-012-0211-9. Epub 2012 Nov 21.
Of the 19 strains of Rhizopus delemar deposited as Rhizopus oryzae, seven of them, NBRC 4726, NBRC 4734, NBRC 4746, NBRC 4754, NBRC 4773, NBRC 4775, and NBRC 4801, completely hydrolyzed exogenous sucrose and fructooligosaccharides. The sucrose-hydrolyzing enzyme was purified from the culture filtrat
PMID 23180124

Japanese Journal

1G15-3 Aureobasidium pullulans DSM 2404によるβ-フラクトフラノシダーゼ類の生産(分類・系統・遺伝学,発酵生物学・発酵工学,一般講演)

吉川潤,天知誠吾,篠山浩文,藤井貴明
日本生物工学会大会講演要旨集平成17年度, 193, 2005-09-25
NAID 110007321609

3C11-2 Bacillus macerans V230株由来β-フラクトフラノシダーゼの精製と性質、遺伝子クローニング(酵素学・酵素工学・タンパク質工学,糖鎖工学,一般講演)

津崎桂二,仲田哲也,中原寅次郎,池上庄治,栗本雅司,茶圓博人,福田恵温
日本生物工学会大会講演要旨集平成17年度, 116, 2005-09-25
NAID 110007321497

3C11-3 Bacillus macerans V230株由来β-フラクトフラノシダーゼによるフラクトシルトレハロースおよびラクトスクロースの生成(酵素学・酵素工学・タンパク質工学,糖鎖工学,一般講演)

山本拓生,仲田哲也,西本友之,阿賀創,岡部浩幸,神戸三幸,久保田倫夫,栗本雅司,茶圓博人,福田恵温
日本生物工学会大会講演要旨集平成17年度, 116, 2005-09-25
NAID 110007321496

Related Pictures

Beta-Fructofuranosidase (beta-D Los Beneficios para la Salud de la Glucosa Beta-Fructofuranosidase; bêta-D Fig. 2: Beta-fructofuranosidase activity beta fructofuranosidase predicted product invertase beta fructofuranosidase product BCSJ -Vol.89 No.1 | CSJ Journals