... observed in natural cases Intoxication by Lantana camara in Cattle and Sheep Two outbreaks of intoxication by Lantana camara insheep and one in cattle were observed in northwestern Uruguay Mortalities ... Harms Calliandra imperialis Barneby *Calliandra involuta Mackinder & G.P.Lewis Calliandra leptopoda Benth Calliandra lintea Barneby Calliandra longipinna Benth Calliandra macrocalyx Benth [2 varieties] ... CHM, Santos AMM, Tabarelli M, and Silva JMC da (2003) Quanto ainda resta da caatinga? Uma estimativa preliminar In Ecologia e Conservaỗóo da Caatinga (IR Leal, M Tabarelli, and JMC da Silva, orgs),...
... Growth of M aeruginosa was monitored by using a hemocytometer (Thoma JHS, Hishikaki, Japan) Confirmation of the release of anti-cyanobacterial allelochemicals In order to confirm the release of anti-cyanobacterial ... fascinating compounds MATERIALS AND METHODS Plants and cyanobacterium Commercially obtained umbrella plant (Cyperus alternifolius) and Canna (Canna generalis) were used for testing, because the artificial ... natural to expect that vegetation used in artificial floating islands may also cause allelopathic growth inhibition of cyanobacteria In fact, some papers reported the existence of anticyanobacterial...
... họ vi khuẩn chuỗi (Nostocaceae) có khả Ðặc biệt đáng ý loài Anabaena azollae cộng sinh bèo hoa dâu, loại dùng làm phân xanh làm thức ăn gia súc có ý ngh a kinh tế lớn nước ta Theo nhiều nghiên ... chlorin quan trọng sử dụng cho quang trị liệu bao gồm chlorin-e muối natri, monoaspartylchlorin-e6 photochlorin Liệu pháp quang sử dụng để điều trị khối u ác tính da, tuyến vú, màng nhầy khoang ... glutamic, người ta thấy nguyên tử C axit glutamic kết hợp vào 5-aminolevulinic axit Tức là, chuyển h a axit glutamic thành 5aminolevulinic, glutamic phải hoạt h a α-cacboxyl cách gắn với ARNtGlu Trong...
... Oscillatoria Vaucher Oscillatoria acuminata Gom Oscillatoria amoena (Kuetz.) Gom + + Oscillatoria amphibia Ag ex Gom Oscillatoria amphigranulata van Goor + + Oscillatoria animalis Ag ex Gom Oscillatoria ... Chroococcales Wettstein 1923 Họ Chroococcaceae Naeg 1948 Chi Aphanocapsa Naeg Aphanocapsa montana Cramer Chi Aphanothece Naeg Aphanothece clathrata W et G S West Aphanothece microscopica Naeg Chi ... Oscillatoria chlorina Kuetz ex Gom + Oscillatoria limnetica Lemm Oscillatoria ornata Kuetz ex Gom Oscillatoria perornata Skuja Oscillatoria pseudogeminata Schmid + Oscillatoria raoi de Toni +...
... chi họ, họ a dạng thuộc Osillatoriaceace, Anabaenaeace, Chroococcaceae Các chi chiếm ưu là: Lyngbya, Oscillatoria, Anabaena 1.2 VAI TRÒ C A VI KHUẨN LAM VKL sinh vật tiên phong chinh phục môi ... lam đơn bào cố định ni tơ chi Aphanothece, Myxosarcina, Chroococcidiopsis, Pleurocapsa Đại diện tảo lam dạng sợi, tế bào dị hình chi Microcoleus, Oscillatoria, Pseudoanabaena, Lyngbya, Plectonema, ... Anabaena azotica Nostoc sphaeroides cấy cho khoảng 25.000 ha, Ấn Độ sử dụng loài thuộc chi Aulosira, Anabaena, Nostoc, Pletonema, Scytonema Tolypothrix diện tích khoảng 2000000 canh tác [14] Ngoài...
... bng ting Phỏp 94 taxon VKL ng bng chõu th sụng Mờ Kụng, ú cú loi mi i vi khoa hc l Tolypothrix hatienensis v th mi: Anabaena variabilis var vietnamensis, Hapalosiphon pavulus var minor v Hapalosiphon ... Vi khun lam (Cyanobacteria) l sinh vt tin nhõn, cú kh nng quang t dng nh cha sc t quang hp l dip lc a, -caroten v cỏc sc t ph khỏc Trc õy, Vi khun lam (VKL) thng c gi l To lam hay To lam lc (Green-blue ... t/ha Cỏc cht chỳng tit mụi trng cú th l hormon, vitamin, axit amin [21] S phỏt trin ca VKL lm tng kh nng gi nc, thoỏng khớ, ci to t mn v t chua Vic nuụi cy Anabaena torulosa nhiu ln s lm mn ca...
... from Lake Tri An (Dong Nai province), Lake Bien Ho and Lake Duc An (Gia Lai Province), Cua Ngan, Dap Da, Nhu Y, Ho Mung sites (Thua Thien Hue Province), Lake Hoan Kiem (Ha Noi) Sampling was carried ... tubes and were kept at -18 ºC for toxin analysis Examination of samples: Both live and preserved cyanobacterial samples were examined by light microscopes Olympus BX60 and Olympus DP12 with digital ... concentrations ranged from 17.966 ng/mL in Duc Anto 5.854 ng/mL in Nhu Y sample Table Microcystins detection by ELISA in natural cyanobacterial blooms in the studied localities Tri An Bien Ho Đuc An...
... Linder et al to the mammalian PDE GAF domains cAMP is the ligand for these cyanobacterial tandem GAF domains, and cAMP binding results in stimulation of the C-terminal catalytic domain [7–9] To ... a ligand [12] Taken together the b1–b3 region of the tandem GAF domain appears to be a major determinant of purine selection The tandem GAF domain of the Anabaena AC cyaB2 is specific for cAMP ... subdomains [4] Two a- helices N-terminal to GAF A appear to be a major dimerization force The tandem ˚ GAF domain of the cyaB2 AC, resolved at 1.9 A, turned out to be an antiparallel dimer with cAMP...
... Anabaena iyengarii var tenuis, A iyengarii var attenuata, Nostoc calcicola, Nostoc coeruleum, Calothrix braunii, C.marchica var crassa, Cylindrospermum stagnale forma variabilis, Scytonema ocellatum, ... Through investigating 216 samples of rice and cotton cultivating soil of DakLak province, 26 species and subspecies of heterocyst cyanobacteria were found Nine of them were isolated They were Anabaena ... Isolating some species of heterocyst cyanobacteria from agri cultural soil of DakLak province Vo Hanh(1), Ho Sy Hanh(1), Le Nhan Tri(1), Duong Duc Tien(2) (1) Vinh University (2) Centre of Biotechnology,...
... PAGE, immunoblotting (using antibodies against kindly provided by G Sandmann (Johann Wolfgang von PetA, PetB, PetC, and PetD) and EPR-measurements (to Goethe University, Frankfurt ⁄ Main Germany) ... Mastigocladus laminosus [5], with the X-axis approximately parallel and the Y-axis about perpendicular to the membrane plane The spectroscopic data presentedin this paper indicate an interaction of ... Wenk et al the plane of the membrane Thus, the X transitions of chlorophyll and cyt f are probably at smaller angles with the plane of the membrane than the magic angle (35 degrees), whereas the...
... Kallar grass, a plant for saline land Faisalabad Pakistan: NIAB Publication Malik, K A. , Bilal, R., Rasul, G., Mahmood, K., and Sajjad, M I (1991) Associative N2-fixation in plants growing in saline ... encouragement, and her capacity to face work as happy and enthusiastic as a person going on holiday Johanna was more than a leader, she was a mother to many scientists (and a grandmother to the ... affected by increasing salt concentrations Kallar grass is a salt-tolerant plant, common in salt marshes in Pakistan, which can be used for land reclamation and biomass production (Malik et al.,...
... References Chapter 13 Laboratory analysis of cyanotoxins 13.1 Sample handling and storage 13.2 Sample preparation for cyanotoxin determination and bioassays 13.3 Toxicity tests and bioassays 13.4 Analytical ... Present state of knowledge Research into developing further understanding of the human health significance of cyanobacteria and individual cyanotoxins, and into practical means for assessing and controlling ... editorial assistance, layout and production management, and to Ms Grazia Motturi and Ms Sylvaine Bassi, for secretarial and administrative assistance We are also grateful to Alan Steel for preparation...
... molecules A and B involve three hydrogen bonds from the main chain amide of Ala75 and the side chains of Thr28 and Lys29 to the main chain carbonyl groups of, respectively, Asp45 (B), Gly70 (A) , and Arg71 ... 7002 and A maxima (bottom left) and A thaliana (top middle) are shown (B) Side chains of the KDGSKSL(44–50) insertion shown in ball-and-stick representation (C) Alignment of cytochrome c6 and cytochrome ... for positioning of the c-amide towards the heme group and within a van der Waals distance ofa methine carbon atom (CHA) of the porphyrin ring In consequence, Gln57 is capable of tuning the redox...
... be stated definitely for the manganese cluster and the protein–cofactor interactions of the donor side, at least, and for the plastoquinone QA and protein–cofactor interactions of the acceptor ... similar in cyanobacteria and higher plants This agrees with kinetic investigations of the reaction coordinate of water oxidation in thermophilic cyanobacteria and higher plants [28] In contrast ... difference signals in cyanobacterial and spinach PSII may be due to different protein–cofactor interactions of the pheophytin close to QA As the QA– ) QA and S2QA– ) S1QA difference spectra of the different...
... thaliana IscA1) AC007067.4, P_purp (Porphyra purpurea) NP_053827, Athal2 (Arabidopsis thaliana IscA2) AC005825.3, Athal3 (Arabidopsis thaliana IscA3), AC006921.5, A_ vinIscA (Azotobacter vinelandii ... ferredoxin was incubated with IscA1 carrying a FeS cluster After h an aliquot containing lg ferredoxin was removed and analysed by nondenaturing PAGE The gel was stained with Stains All Lane 1, lg ... Replacement of C110 and C112 led toa complete loss of cluster-binding ability of IscA Since the Mossbauer data ¨ indicated an all-cysteine ligation of the cluster and the variant C34/44/7 5A was still able...
... Nostocaceae Rivulariaceae Các họ Plectonemataceae, Schizothrichaceae, Scytonemataceae, Rivulariaceae, Nostocaceae Nodulariaceae gặp từ 1-7 loài/dới loài, họ Schizothrichaceae Plectonemataceae họ gặp chi ... chiếm u số lợng loài Oscillatoriaceae (14 loài/dới loài), họ Stigonemataceae (4 loài/dới loài), họ Chroococcaceae, Plectonemataceae, Anabaenaceae, Stytonemataceae Rivulariaceae họ gặp loài Trong đất ... Oscillatoriaceae: 24 loài/dới loài (chiếm 43,64%); Nostocaceae: 11 loài/dới loài (20%) Các họ lại có từ đến loài/dới loài Rivulariaceae (6), Scytonemataceae Anabaenaceae họ gặp 4, Stigonemataceae...
... Một số chi sản sinh độc tố như: Microcystis, Anabaena, Lyngbya, Ocsillatoria Sau hai năm phân tích 100 mẫu nước lấy từ Hồ Dầu Tiếng, Hồ Trị An trạm cấp nước sinh hoạt Sông Đồng Nai Sông Sài Gòn ... Chuyển giao kết đề tài đến quan có nhu cầu sử dụng, Ban quản lý hai Hồ Trị An, Hồ Dầu Tiếng, Ban quản lý Nhà máy Nước H aAn Tân Hiệp, Sở Tài Nguyên Môi trường tỉnh Đồng Nai, Bình Dương Tây Ninh, ... microcystin tới ngưỡng Biến động theo m a năm tảo độc thể không rõ rệt Ở Hồ Trị An, Vi khuẩn lam độc xuất quanh năm, Hồ Dầu Tiếng m a m a xuất thường xuyên Trạm Bơm nước H a An, Bến Than xuất...