P - photoreceptor 中文

photoreceptor n.【生物學】光感受器，受光體。n.-ception 【...

It “ s the first cdna code ( 6 - 4 ) photolyase found in low orgnism ( alga ) , and this study is important for the reseach of 6 - 4 photolyase . the methods and analysis as bellows : 1 . this est was analyzed by method of blast , and the conclusion suggests that the sequence probably be a partial cdna that can code one of protein family of photolyase / blue light photoreceptor 利用3 ’ race法擴增此cdna序列的3 ’端部分，所得片段長度為2575bp ，含一個完整的開放讀框，長1800bp ，可編碼600個氨基酸；利用生物信息學法對此擴增序列進行分析，包括同源性分析、序列的讀框分析、蛋白質的保守性分析以及該蛋白的進化關系分析，預測出此序列編碼了d . salina的( 6 - 4 )光裂合酶。
It “ s the first cdna code ( 6 - 4 ) photolyase found in low orgnism ( alga ) , and this study is important for the reseach of 6 - 4 photolyase . the methods and analysis as bellows : 1 . this est was analyzed by method of blast , and the conclusion suggests that the sequence probably be a partial cdna that can code one of protein family of photolyase / blue light photoreceptor 利用3 ’ race法擴增此cdna序列的3 ’端部分，所得片段長度為2575bp ，含一個完整的開放讀框，長1800bp ，可編碼600個氨基酸；利用生物信息學法對此擴增序列進行分析，包括同源性分析、序列的讀框分析、蛋白質的保守性分析以及該蛋白的進化關系分析，預測出此序列編碼了d . salina的( 6 - 4 )光裂合酶。
photoreconnaissance
Effects of different calcium concentration on ca2 + in ca2 * - sequester ing organelles of photoreceptor cell in penaeus monodon fabriciu by the combined oxalate - pyroantimonate technique , we observed the subcellular distribution of calcium in the photoreceptor cells of penaeus monodon fabricius , by changing the extracellular calcium concentration . the result showed that , in vitro , in presence of 50mmol / l , the quantity of calcium antimonate deposit in the multivesicular bodies , pigment and lamellar body were more than that of photoreceptor incubated in lower calcium solution , which contained 50mmol / l egta . in higher calcium solution , we ecu id not f i nd the depos i t in the mitochondr ia , but in lower calcium solution , there was a little deposit in the mitochondria 學位論義小同ca卜濃度對斑節對蝦光感受器的形響3 .外界不同鈣離子濃度對斑節對蝦光感受器細胞內所儲存的鈣離子的影響應用草酸一焦銻酸鹽結合的沉淀技術研究斑節對蝦光感受器細胞在不同ca之‘濃度條件下胞內儲存的ca2 +變化，其電鏡觀察表明:在高鈣溶液培育后，細胞內的多囊體、色素顆粒、板膜體中都存在大量的焦銻酸鈣沉淀的黑色顆粒，線粒體中未發現沉淀;在生理溶液培育后，線粒體中出現沉淀，而其他caz +儲存器中焦銻酸鈣沉淀的黑色顆粒大量減少。
We used four different wavelength light including red light ( 750nm ) , yellow light ( 580nm ) , green light ( 560nm ) , blue light ( 400nm ) to stimulate four different groups compound eyes . then the ultrastructures of the compound eyes of each group were observed under electron microscope . the results showed the fine structure of the photoreceptor , the diameter of rhabdom , the dimension of perirhabdom vacuole , the number of pinocytotic vesicle below the microsvilli , the location of pigment granules , the emergence of lamellar bodies and lysosomes in cytoplasm , were different in different light adaptation 二、不同光照條件下復眼超微結構的變化三疣梭子蟹經過12h暗適應后，在不同波長的紅光( 750nm ) ，黃光( 580nm ) ，綠光( 560nm ) ，藍光( 400nm )照射下，其光感受器的小網膜細胞和感桿束的形態和超微結構呈現較大的區別，感桿束的形態、細胞內的胞器隨不同波長光的適應而發生變化，在紅光下感桿束直徑最大，微絨毛排列整齊，在藍光下感桿束直徑最小，微絨毛最凌亂。
Using the young seedlings of wild type ( wt ) and four mutants ( phya , phyb , phyaphyb and hy4 ) of arabidopsis thaliana as plant materials , the effects of light quality and kinetin ( kt ) on some photomorphogenesis responses such as cotyledon enlargement , hypocotyl growth inhibition , accumulation of chlorophyll and anthocyanin were investigated in the present study . photoreceptor functions and interaction of light and kt in the responses was examined and discussed 本文以擬南芥( arabidopsisthaliana )野生型( wt )和四種光突變體phya 、 phyb 、 phyaphyb和砂hy4為材料研究不同光質與細胞分裂素( kt )對幼苗子葉擴大、下胚軸伸長、葉綠素和花色素苷積累的影響，分析光受體參與的反應以及探討光與kt在調節各種反應中的相互關系。
Part i comparisons of the ultrastructure of photoreceptor in miers in light and dark adaptation the ultrastructure of photoreceptor in miers { portunus tritubereulatus ) , which was light or dark adapted and were fixed separately at dawn ( 05 : 15 ) , at noon ( 12 : 00 ) , at dusk ( 17 : 00 ) and in night ( 22 : 00 ) , were studied by electron microscopy 本課題的研究，以前國內外未見報道。一、光適應和暗適應復眼超微結構比較用透射電鏡研究了一晝夜不同時間中光適應和暗適應的三疣梭子蟹光感受器的超微結構。
We observed the surface structure and inner structure of the compound eyes . and we also studied the change process of the ultrastructure of the compound eyes in different light adaptation . comparative studies on the structure differences of photoreceptor between portunus tritubereulatus and metapenaeusensis were also done 運用電子顯微鏡技術觀察了三疣梭子蟹( portunustritubereulatus )的光感受器的超微結構，對三疣梭子蟹復眼的外部形態、大小、內部超微結構，以及在不同光適應條件下的變化過程進行了研究；并且與刀額新對蝦( metapenaeusensis )光感受器的超微結構進行了比較。
Chalcone synthase ( chs ) gene expression in the wt leaves was induced by bl and it could be detected at 4 h and reached a peak at 8 h in bl . and then the gene expression declined . blue light could not induce any gene expression in hy4 mutant indicating cryl is the photoreceptor mediating the blue - light - induced chs gene expression 藍光誘導擬南芥wt中chs基因的表達，藍光處理4小時即有表達， 8小時達到最高的表達，之后表達量逐漸下降；在突變體hy4中，藍光誘導chs基因幾乎不表達。
三、 effects of calcium concentration on subcellular localization of gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation . effects of calcium concentration on subcellular localization of gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation were studied using immunogold electronmicroscopy 三、鈣離子濃度對光暗適應羅氏沼蝦感光細胞gq蛋白q亞基亞細胞定位的影響采用免疫膠體金電鏡技術，研究光暗適應條件下不同鈣離子濃度對羅氏沼蝦感光細胞中gq蛋白。
In addition , whether and how the bl receptor photl regulate ca2 + - channels in the pm has not been investigated . in present study we aimed to identify ca2 + channels involved in bl signaling cascade . the patch clamp technique was applied to record the channels on the hypocotyl protoplasma of wild type and photoreceptor mutant of arabidopsis thaliana 采用膜片鉗技術在擬南芥下胚軸原生質體質膜上記錄并鑒定到一種超極化激活的鈣離子通透性通道，對其特性分析發現photl - 5突變體與野生型擬南芥的質膜鈣離子通透性通道電流有顯著差異，該差異可能是二者對胞外鈣表現不同反應的原因。
The results showed that the fine structure of the photoreceptor , the diameter of rhabdom , the dimension of perirhabdom vacuole , the number of pinocytotic vesicle below the microsvilli , the location of pigment granules , the emergence of lamellar bodies and lysosomes in cytoplasm , were different in light and dark adaptation 結果顯示在感桿束的直徑、膜下潴泡囊的體積、微纖毛基部的胞飲泡數量、色素顆粒的位置以及有無脂滴、板膜體和溶酶體等細胞器方面，光適應和暗適應的光感受器有著明顯的差異。
In our experiment , after light and dark adaptation , the retina of the macrobrachium rosenbergi was respective incubated in high calcium solution , physiological solution and low calcium solution . we studied the effect of calcium concentration on the content and subcellular localization of gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation by sds - page technology and imunoelectron microscopy technology . our study results indicated : 一、 effects of calcium concentration on the soluble gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation 而鈣離子對gq蛋白亞基活性有無影響還未見報道。我們以光適應和暗適應條件下的羅氏沼蝦復眼視網膜為材料，分別用高鈣溶液、生理溶液、低鈣溶液孵育后，通過sds ? page電泳技術及免疫膠體金電鏡技術，研究鈣離子濃度對光暗適應時羅氏沼蝦感光細胞gq蛋白亞基含量的影響及亞基亞細胞定位的影響。
二、 effects of calcium concentration on the membrane - bound gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation . the membrane - bound gq a was extracted from the retina of the macrobrachium rosenbergi with protein extract and was electophoresised by sds - page . the percent of the membrane - bound gq a was analyzed by tanon gis gel image disposal system 二、鈣離子濃度對光暗適應羅氏沼蝦感光細胞膜結合gq蛋白亞基的影響用蛋白質提取液提取膜結合gq蛋白亞基并sds - page電泳，利用tanongis凝膠圖像處理系統分析其含量。
After the incubation in three solutions , the membrane - bound gq a in 42kda was all extracted from photoreceptor cell . the percent of the membrane - bound gq a in photoreceptor cell in high calcium solution , physiological solution and low calcium solution was 4 . 63 % , 4 . 58 % , and 5 . 05 % respectively on light adaptation and was 4 . 56 % , 4 . 94 % and 5 . 13 % respectively on dark adaptation 高鈣溶液、生理溶液、低鈣溶液孵育后的感光細胞中膜結合gq蛋白亞基的含量，光適應組分別是4 . 63 、 4 . 58 、 5 . 05 ；暗適ca2 +濃度對光暗適應時羅氏沼蝦感光細胞中gq蛋白。
It “ s the first cdna code ( 6 - 4 ) photolyase found in low orgnism ( alga ) , and this study is important for the reseach of 6 - 4 photolyase . the methods and analysis as bellows : 1 . this est was analyzed by method of blast , and the conclusion suggests that the sequence probably be a partial cdna that can code one of protein family of photolyase / blue light photoreceptor 利用3 ’ race法擴增此cdna序列的3 ’端部分，所得片段長度為2575bp ，含一個完整的開放讀框，長1800bp ，可編碼600個氨基酸；利用生物信息學法對此擴增序列進行分析，包括同源性分析、序列的讀框分析、蛋白質的保守性分析以及該蛋白的進化關系分析，預測出此序列編碼了d . salina的( 6 - 4 )光裂合酶。
In this paper , the ultrastructures of compound eyes in blue and red light conditions were firstly studied with the transmission electron microscope in macrobrachium nipponense . the changes of ultrastructural features of rhabdom and cells around were well observed , and were compared thoroughly with the features in full bright light and dark conditions . the functions and significances of related cells structures were discussed during the breakdown and rebuilding of the photoreceptor membrane 本文利用透射電鏡技術，首次對紅、藍光照條件下日本沼蝦復眼結構，重點是小眼感桿束及其周圍細胞超微結構變化作了詳盡的觀察和研究，并與全光照和全暗條件下的結構特征進行全面比較，探討相關細胞結構在光感受膜的降解和重新合成過程中的作用和意義。
Though the photoreceptor was in a steady adaptation , its ultrastructure of the rhabdom was smaller at noon than that in night . the changes of the ultrastructures , such as visicule and lamellar body in the cytoplasm , were large than the structures at dawn and at dusk 在同一種適應狀態中，中午和夜晚時的小網膜感桿束的體積較小，相應的細胞器結構如胞質中的空泡、板膜體等與黎明和傍晚時的結構相比變化較大。
Our study results indicated : on light adaptation , the ratios of the density of the gold particles in the rhabdom to that in the cytoplasm in macrobrachium rosenbergi photoreceptor cell in high calcium solution , physiological solution and low calcium solution was 21 / 6 、 1 結果顯示:光適應組，在高鈣溶液、生理溶液和低鈣溶液中細胞質與感桿束中膠體金密度的比值是21 / 6 、 17 / 8和13 / 14 。
The multivesiculae bodies , as well as the rough and smooth endoplasmic reticulums , are considered as the sources of new membranes . mitochondria provide energy not only for the degradation of microvilli , but also for the resynthesis of the photoreceptor membrane 微絨毛合成時的膜源由粗面內質網和滑面內質網共同提供；多泡體也能起膜源作用。

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photoreceptor

photoreceptor n.【生物學】光感受器，受光體。n.-ception 【...

photoreconnaissance