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1.
Y. Ohnuma  Y. Kainoh 《BioControl》1992,37(2):327-332
The developmental interaction between the egg/larval parasitoid,Ascogaster reticulatus Watanabe (Hymenoptera: Braconidae) and its host,Adoxophyes sp. (Lepidoptera: Tortricidae) was examined. Prior to the egress of a final-instar parasitoid larva from the 4th-instar host larva, host weight decreased by 22% from the maximum weight. The final body weight of a host larva was 27% of the maximum weight of a healthy 5th-instar host. Food consumption was significantly reduced in both 3rd-and 4th-instar parasitized larvae compared with healthy ones. In the 4th instar, a parasitized larva consumed 28% less artificial diet and produced less frass than a healthy larva. The growth rate of the endoparasitoid larvae greatly increased after their host's molt to the 4th instar. Parasitoid larval volume increased 40 fold in the 4th-instar host.   相似文献   

2.
This Commentary describes a call for submissions for the upcoming Special Issue focused on the science presented at the 20th IUPAB Congress to be held in conjunction with the 45th Annual Meeting of the Brazilian Biophysical Society and the 49th Annual Meeting of the Brazilian Society for Biochemistry and Molecular Biology.

Due to the COVID-19 pandemic, the 20th International IUPAB Congress will take place as a virtual meeting this year from October 4 to 8, 2021. This triennial IUPAB Congress will be held in loose conjunction with the 45th Annual Meeting of the Brazilian Biophysical Society and the 49th Annual Meeting of the Brazilian Society for Biochemistry and Molecular Biology. To act as a complement to this virtual meeting, the Biophysical Reviews journal will base a Special Issue on the scientific topics of the meeting contributors selected from the range of invited speakers and poster presenters. This Special Issue will also work to highlight the host country’s (Brazil) National Biophysical Society. Finally, this Special Issue will also serve to publish the meeting abstracts in supplemental form.Review articles from IUPAB Congress speakers and poster presenters to the IUPAB Congress and associated conferences (the 45th Annual Meeting of the Brazilian Biophysical Society and the 49th Annual Meeting of the Brazilian Society for Biochemistry and Molecular Biology) are solicited. Similar to the SI based on the 19th IUPAB Congress held in Edinburgh summarizing Commentaries from session chairs are also requested (Hall and dos Remedios 2017). The Special Issue for the 20th IUPAB International Congress will be prepared and edited by the current authors (Rosangela Itri, Mauricio Baptista, Richard Garratt, and Antonio Jose Costa-Filho).  相似文献   

3.
ProDaC (Proteomics Data Collection), a “Coordination Action” within the 6th EU framework programme, was created to support the collection, distribution and public availability of data from proteomics experiments. Within the consortium standards are created and maintained enabling an extensive data collection within the proteomics community. Important elements of ProDaC are workshops held twice a year to allow communication between the ProDaC partners and to report the ongoing progress. The most recent assembly was the 4th ProDaC workshop on August 15th, 2008, in Amsterdam, The Netherlands. It took place directly before the 7th HUPO Annual World Congress (Human Proteome Organisation). Work package coordinators and partners presented the progress achieved since the last meeting. Additionally, an EU official presented funding opportunities for proteomics in the next EU framework programme and five external speakers presented talks about their work in relation to ProDaC.  相似文献   

4.
M. S. Awan 《BioControl》1990,35(2):203-210
Three species of hemipteran predators preyed differently upon 1st instarHeliothis punctiger Wallengren larvae.Cermatulus nasalis consumed more larvae thanOechalia schellenbergii which consumed more larvae thanTropiconabis nigrolineatus. All the species consumed significantly less 1st instar larvae on plants than what they consumed in Petri-dishes. Fifth instar predators showed significant differences in terms of prey consumption due to sex independent of searching conditions. Only 4th and 5th instars ofT. nigrolineatus attacked and captured 2nd instars ofH. punctiger larvae. The other 2 species however readily attacked and consumed 2nd instarH. punctiger larvae. Their prey consumption was similar in Petri-dishes and on plants. Only 5th instars ofT. nigrolineatus could subdue and capture 3rd instarH. punctiger larvae. Second instar pentatomids captured just one 3rd instar larva but older instars killed and ate more. Fourth instarH. punctiger larvae were immune to attacks by allT. nigrolineatus and younger pentatomids due to their defense ploys but 5th instar pentatomids could subdue and capture them. None of the predators captured 5th instarH. punctiger larvae except few 5th instar females ofC. naslis andO. schellenbergii.   相似文献   

5.
A. Schopf 《BioControl》1991,36(4):593-604
The endoparasitic development ofG. liparidis was examined in 3 different host stages of gypsy moth larvae. Hatching ofG. liparidis-larvae occurred 3 to 5 days after oviposition in hosts parasitized during their premoulting period, and after 5 to 7 days in those parasitized in the 3rd midinstar state. The parasites generally moulted to the 2nd larval instar between the 11th and 13th day in the first group, and between the 13th and 15th day in the latter, when they had reached a volume of 0.04–0.05 mm3. The positive correlation between host ecdysis and the ecdysis of 1st stadium larvae to L2 suggested that host moulting influenced the development of the parasitoid larvae. Emergence from the host larvae occurred at 20°C after 27 days on average, and coincided with the parasites moulting to the 3rd instar. Five to 7 days after spinning their cocoons near the developmentally arrested host larva, the male, and 1 to 2 days later the female wasps eclosed. Due to the variation in the number of parasites per host, no difference was observed between the hosts parasitized at various stages; however, a tendency for later parasitized hosts to contain more parasite larvae was evident. The nutritional conditions of the moth parental generation influenced both host and parasite development. On the other hand no influence of host age was observed on emergence dates of larvae and wasps.   相似文献   

6.
Gas chromatography combines high resolution with good sensitivity (ECD) for the simultaneous analysis of trichothecenes. With the aid of computer-supported GC simulation based on thermodynamic retention indices, optimized GC methods for 4 different phase polarities have been developed. The verification with polar and unpolar columns in 2 GCs under optimized separation conditions provides highly reliable results.
Presented at the 26th Mykotoxin-Workshop in Herrsching, Germany, May 17–19, 2004  相似文献   

7.
Zusammenfassung In histochemischen Untersuchungen an der Mamma von Ratten wird das Verhalten der Enzymaktivitäten in Gravidität, Laktation, Involution, bei experimenteller Milchstauung und unter dem Einfluß von Oxytocin demonstriert. Die Untersuchungen wurden an 38 weiblichen Sprague-Dawley-Ratten durchgeführt. 1. Gruppe: 7 gravide Tiere, Gewebsentnahme am 12., 16. und 28. Tag post conceptionem. 2. Gruppe: 10 laktierende Tiere, Gewebsentnahme am 2., 10. und 20. Tag post partum. 3. Gruppe: 7 Tiere am 4. und 10. Tag nach Absetzung der Jungtiere (Involution). 4. Gruppe: 6 Tiere mit experimenteller Milchstauung am 5. Tag der Laktation. 5. Gruppe: 8 Tiere zur Untersuchung der experimentellen Oxytocinwirkung (0,5; 1,0; 2,0 IE/kg Körpergewicht synthetisches Oxytocin intravenös). Histochemische Darstellung der alkalischen Phosphatase (Metallsalz-, Azofarbstoffmethode), sauren Phosphatase, unspezifischen Esterase, Succinodehydrogenase, Monaminoxydase, Glukose-6-Phosphatase, Adenosintriphosphatase, 5-Nukleotidase, Glukose6-Phosphat-Dehydrogenase, Laktatdehydrogenase.Der synthetischen Aktivität der laktierenden Mamma entspricht eine starke Erhöhung der Enzymaktivität. Im Vergleich zur Laktation ist diese in Gravidität und Involution wesentlich geringer. Bei akuter Milchstauung tritt rapider Aktivitätsverlust ein. Myoepithelzellen werden durch alkalische Phosphatase (Azofarbstoffmethode) selektiv dargestellt. Der Strukturwandel dieser Zellen in verschiedenen Funktionsphasen wird beschrieben. Elektronenoptisch ist die alkalische Phosphatase in der basalen und interzellulären Zellmembran und im Myoepithel lokalisiert. Auch saure Phosphatase, Glukose-6-Phosphatase sind in der Epithelbasis nachweisbar. Unspezifische Esterase-Aktivität ist in der Peripherie der Läppchen, im angrenzenden Fettgewebe und im Epithel nachweisbar. Adenosintriphosphatase ist nur auf mesenchymale Bestandteile der Mamma beschränkt. Succinodehydrogenase, Monoaminoxydase, Laktat- und Glukose-6-Phosphat-Dehydrogenase bilden granuläre intraepithelial lokalisierte Reaktionsprodukte. - Die histotopochemischen Befunde werden biochemischen Untersuchungen gegenübergestellt.
Enzymhistochemical studies of the mammary glandPregnancy, lactation, involution, and experimental galactostasis with special consideration of the myoepithelial cells
Summary In histoehemical studies of the mammary gland of rats the reaction of the enzyme activity is demonstrated during pregnancy, lactation, involution, experimental galaotostasis and under the influence of oxytocin. 38 female Sprague-Dewley rats were examined. 1st group: 7 pregnant animals, excision of tissue on the 12th, 16th, and 28th day after conception. 2nd group: 10 animals in lactation, excision of tissue on the 2nd, 10th, and 20th day after delivery. 3rd group: 7 animals on the 4th and 10th day after removing the young animals (involution). 4th group: 6 animals with experimental galactostasis on the 5th day of lactation. 5th group: 8 animals for examination of the experimental influence of oxytocin (0.5; 1.0; 2.0 IE of synthetic oxytocin per kg bodyweight i.v.). The histoehemical examination showed alcaline phosphatase (method of metallic salt and azo dye), acid phosphatase, unspecific esterase, succinic dehydrogenase, monoaminoxydase, glucose-6-phosphatase, adenosine triphosphatase, 5-nucleotidase, glucose-6-phosphate dehydrogenase, and lactic dehydrogenase.A strong increase of the enzyme activity corresponds to the synthetic activity of the mammary gland in lactation. In comparison to lactation enzyme activity is considerably smaller in pregnancy and involution. During acute galactostasis enzyme activity decreases rapidly. Myoepithelial cells are shown by alcaline phosphatase (azo dye method) selectively. The change of the structure of these cells is demonstrated in different functional phases. In electron microscopical examination alcaline phosphatase is situated in the basement membrane and intercellular membrane and in myoepithelial cells. Also acid phosphatase and glucose-6-phosphatase can be shown in the basis of epithelial cells. Unspecific esterase-aktivity can be shown in the periphery of the lobules, in the adjacent fat tissue, and in the epithelial cells. Adenosintriphosphatase is limited to mesenchymal parts of the mammary gland. Succinic dehydrogenase, monaminoxydase, lactic dehydrogenase, and glucose-6-phosphatedehydrogenase form granulated reaction products in the epithelial cells. The results of histotopochemical examination are compared to those of biochemical examinations.
  相似文献   

8.
A simultaneous reversed-phase HPLC determination of citrinin and ochratoxin A in cereals is proposed. Both mycotoxins are eluted on a RP-amid C16 column using a gradient eluent acidified with phosphoric acid. The limits of detection, for a signal-to-background ratio of 3, are 1 μg/kg for citrinin and 0,4 μg/kg for ochratoxin A.
Presented at the 25th Mykotoxin Workshop in Giessen, Germany, May 19–21, 2003  相似文献   

9.
Laboratory-rearedBiosteres tryoni (Cameron) reached peak ovarian maturation on the 5th and 7th days after emergence in unmated and mated ♀♀, respectively. When ♀♀ were not allowed to oviposit, contents of the oocytes were hydrolyzed and reabsorbed. However, when hosts were available for oviposition a significant increase of egg maturation rate was noticed. Mean realized fecundity during the life span was 71.7±8.1 and 69.0±6.7, and mean longevity was 13.5±0.9 and 15.1±0.6 days for mated and unmated ♀♀ respectively.   相似文献   

10.
Zusammenfassung Die Gonocyten der Ratte können in 2 hintereinander geschaltete Keimzellarten gegliedert werden, die I-Gonocyten und II-Gonocyten. Die I-Gonocyten proliferieren bei der Wistarratte zwischen 15. und 18. Fetaltag, die Tochterzellen der I-Gonocyten, die II-Gonocyten treten nach einer Zeitdauer von 7–8 Tagen zwischen 4. und 6. Lebenstag in die Mitose. Auf Grund der gewonnenen Daten erschien es sinnvoll, die mitotische Aktivität der II-Gonocyten und die Bestimmung der Dauer ihrer S-Phase an 5 Tage alten Ratten durchzuführen. Untersuchungen von 50 Zentren mitotischer Aktivität in einem in Serie geschnittenen Hoden einer 5 Tage alten Ratte ergaben, daß 148 von 190 Mitosen, d.s. 78%, in Gruppen und 122, d.s. 64% der Mitosen in Paaren vorkommen. Mit der Methode der markierten Mitosen (Quastler u. Sherman, 1959) und der Methode der Doppelmarkierung (Hilscher u. Maurer, 1962) wurde die Dauer der S-Phase der II-Gonocyten bei 5 Tage alten Ratten bestimmt. Es ergab sich eine gute Übereinstimmung der nach beiden Methoden bestimmten Werte. Die S-Phasen-Dauer der II-Gonocyten dürfte danach am 5. Lebenstag bei 11,0–11,5 Std liegen.
Autoradiographic determination of the duration of S-phase of the gonocytes of wistar albino rat by single and double labeling
Summary The gonocytes of the rat are of two types: I-gonocytes and II-gonocytes. In Wistar rat I-gonocytes proliferate at the beginning of prespermatogenesis between the 15th and 18th day of gestation. Their multiplication stops between the 18th and 19th day. Starting on the 4th postnatal day, II-gonocytes, the daughter cells of I-gonocytes, begin to proliferate. The 5th postnatal day proved to be favourable for studying the mitotic activity and for determing the S-phase of II-gonocytes. In one serially sectioned testis of a 5 days old rat 25 sex cords were reconstructed. Till now 50 centres of mitotic activity of II-gonocytes with 190 mitoses were localized. Only 42 out of the 190 mitoses were isolated, 148 occur in groups. 122 out of the grouped mitoses are in pairs. That means that 78% of the grouped and 64% of all mitoses were to be found in pairs. By the method of labeled mitoses (Quastler and Sherman, 1959) and by the method of double labeling with C-14- and H-3-thymidine (Hilscher and Maurer, 1962) the duration of the S-phase of II-gonocytes were determined in 5 days old rats. The results of both methods show that the S-phase is 11.0 to 11.5 hours.
Mit Unterstützung durch die Deutsche Forschungsgemeinschaft.  相似文献   

11.
医疗机构评审联合委员会国际部(Joint Commission International,JCI)标准是全世界公认的医疗质量和服务评价标准,代表了医院的服务和管理水平。最新修订的第5版JCI标准对我国医院建立规范化、流程化、科学化和国际化的管理体系,实现医院持续质量改进,保证患者安全,提高患者满意度具有重要借鉴意义。  相似文献   

12.

Abstract List

Abstracts of Communications of the 45th Annual Meeting of the Japanese Society for Neurochemistry  相似文献   

13.
    
Zusammenfassung Das 1585 in Krakau erschienene Buch vonMateusz Cygaski Die Vogeljagd erweist sich als wichtige Quelle aus der Zeit der Anfänge der vogelkundlichen Literatur Europas. Die Artenkenntnis der Jäger war erstaunlich groß (Tab.). Auch Hinweise auf einstige Verbreitung mancher Arten am Ostrand Mitteleuropas lassen sich entnehmen sowie Angaben zur Biologie und Ökologie mancher für die Jagd besonders interessanter Vögel.
On the knowledge of bird species in Poland in the 16th century:M. Cygaski's book on bird hunting
Summary According to the book of M. Cyganski issued in Krakow in 1585 the knowledge of bird species in the 16th century was remarkably good (Table). Futhermore the hunters were familiar with distribution and habits of several bird species. Some changes of distribution compared with the present situation can be traced. So Cyganski's book is an important source of the beginning of the European bird literature.
  相似文献   

14.
Right whales (Eubalaena spp.) were the focus of worldwide whaling activities from the 16th to the 20th century. During the first part of the 19th century, the southern right whale (E. australis) was heavily exploited on whaling grounds around New Zealand (NZ) and east Australia (EA). Here we build upon previous estimates of the total catch of NZ and EA right whales by improving and combining estimates from four different fisheries. Two fisheries have previously been considered: shore-based whaling in bays and ship-based whaling offshore. These were both improved by comparison with primary sources and the American offshore whaling catch record was improved by using a sample of logbooks to produce a more accurate catch record in terms of location and species composition. Two fisheries had not been previously integrated into the NZ and EA catch series: ship-based whaling in bays and whaling in the 20th century. To investigate the previously unaddressed problem of offshore whalers operating in bays, we identified a subset of vessels likely to be operating in bays and read available extant logbooks. This allowed us to estimate the total likely catch from bay-whaling by offshore whalers from the number of vessels seasons and whales killed per season: it ranged from 2,989 to 4,652 whales. The revised total estimate of 53,000 to 58,000 southern right whales killed is a considerable increase on the previous estimate of 26,000, partly because it applies fishery-specific estimates of struck and loss rates. Over 80% of kills were taken between 1830 and 1849, indicating a brief and intensive fishery that resulted in the commercial extinction of southern right whales in NZ and EA in just two decades. This conforms to the global trend of increasingly intense and destructive southern right whale fisheries over time.  相似文献   

15.
What are the current approaches in brain proteomics? Can we combine different, but complementary study designs to obtain better results concerning brain diseases? What are the neuro‐hotspots, especially in Korea? These were some of the questions the participants of the 8th HUPO Brain Proteome Project Workshop tried to answer prior to the 6th HUPO World Congress in Seoul, Korea. Around 100 scientists came together during the afternoon of 7 October, 2007, to discuss and to catch up on the latest results and strategies concerning Huntington's disease, glioblastoma and standardization.  相似文献   

16.
We investigated effects of vitamin C and E (VCE) administration on desflurane-induced oxidative toxicity and element changes in the blood of operative patients under desflurane general anesthesia. Forty American Society of Anesthesiologists I or II Physical Status adult patients were scheduled for elective surgery. The patients were randomly divided into two groups. Control and VCE group was introduced to anesthesia with desflurane. VCE was administreted to patients in the control and VCE group before 1 hour of anesthesia with desflurane. Baseline (preoperative) and postoperative (at the 1st, the 24th, and 72th h), blood samples were taken from the first and second groups. Erythrocyte and plasma lipid peroxidation levels at the 1st, 24th, and 72th hours were higher in the control than in baseline group, although their levels at the same periods were lower in the VCE group than in the control. Vitamin E levels at the postoperative 1st and 24th hours and erythrocyte glutathione peroxidase (GSH-Px) activity at the postoperative 1st, 24th, and 72th hours was lower than in baseline values. Erythrocyte GSH-Px activity and plasma vitamins A, C, and E levels at the postoperative 1st, 24th, and 72th hours were higher in the VCE group than in the control group. Erythrocyte and plasma reduced glutathione, plasma β-carotene, and serum copper, while zinc, selenium, aluminum, iron, magnesium, and calcium levels did not differ between preoperative and postoperative periods in both groups. In conclusion, VCE combination prevented the desflurane-induced vitamin E and GSH-Px consumptions to strengthen the antioxidant levels in the blood of operative patients.  相似文献   

17.
The purpose of our work was to observe the influence of probiotic preparation BioPlus 2B on average daily gains of weaned pigs, feed efficiency and to evaluate some metabolic indices. The weaned pigs, at the age of 42 days, were included into the trial and divided into four groups. Pigs in groups A (n = 5) and B (n = 4) received BioPlus 2B also before weaning. Only group A received BioPlus 2B, at the concentration of 3.2 × 109 CFU per kg of feed, after weaning continually. Groups C (n = 5) and D (n = 4) did not receive BioPlus 2B until the start of the trial, but group C was given BioPlus 2B at the same concentration as group A during the experiment. Blood samples for determination of metabolic indices were collected at the start of experiment, i.e. on 42nd day of pigs life, and then on 56th, 70th, 84th and 91st days of pigs life. The following biochemical indices were evaluated within the trial: serum levels of total proteins, albumin, urea, total cholesterol and total lipids. Total serum protein level (p < 0.0001) and serum albumin level (p = 0.0024) in groups A and B were significantly higher in comparison with groups C and D on day 56 of pigs life. Serum urea level in group D was significantly (p = 0.049) higher than in group A on 70th day of pigs life. Serum level of total cholesterol in group B on day 56 and 84 of pigs life was significantly (p = 0.0004) higher than in groups C and D. Total serum lipid level was significantly (p < 0.05) higher in B group compared to other groups on 56th, 70th, 84th days of pigs life. Average daily gains (ADG) in A group, even if non-significantly, were about 10% better than in groups B, C, D between 57th and 77th days of pigs life. ADG in groups A and B were 14% better in comparison with that in groups C and D between 78th and 91st days of pigs life (p = 0.036). The best feed efficiency in the trial was in group A, approximately 13%, 16% and 21% better than that in the groups B, C and D, repectively. Presented at the Second Probiotic Conference, Košice, 15–19 September 2004, Slovakia.  相似文献   

18.
This paper reports on the 5th joint British Society for Proteome Research (BSPR) and European Bioinformatics Institute (EBI) meeting which took place at the Wellcome Trust Conference Centre, Cambridge, UK, from the 8th to 10th July, 2008. As in previous years, the meeting attracted leading experts in the field who presented the latest cutting edge in proteomics. The meeting was entitled “Proteomics: From Technology to New Biology” taking into account the major transition proteomics has undergone in the past few years. In particular, the use of multiple reaction monitoring (MRM)‐based targeted experiments for absolute quantification and validation of proteins was the hot topic of the meeting. Attended by some 250 delegates, the conference was extremely well organised and provided a great opportunity for discussion and initiation of new collaborations.  相似文献   

19.
Transfer RNA (tRNA) structure, modifications and functions are evolutionary and established in bacteria, archaea and eukaryotes. Typically the tRNA modifications are indispensable for its stability and are required for decoding the mRNA into amino acids for protein synthesis. A conserved methylation has been located on the anticodon loop specifically at the 37th position and it is next to the anticodon bases. This modification is called as m1G37 and it is catalyzed by tRNA (m1G37) methyltransferase (TrmD). It is deciphered that G37 positions occur on few additional amino acids specific tRNA subsets in bacteria. Furthermore, Archaea and Eukaryotes have more number of tRNA subsets which contains G37 position next to the anticodon and the G residue are located at different positions such as G36, G37, G38, 39, and G40. In eight bacterial species, G (guanosine) residues are presents at the 37th and 38th position except three tRNA subsets having G residues at 36th and 39th positions. Therefore we propose that m1G37 modification may be feasible at 36th, 37th, 38th, 39th and 40th positions next to the anticodon of tRNAs. Collectively, methylation at G residues close to the anticodon may be possible at different positions and without restriction of anticodon 3rd base A, C, U or G.  相似文献   

20.
Summary The effectiveness of recurrent selection vs. continuous inbreeding in improving smut resistance of a very susceptible flint corn was studied. Two cycles of recurrent selection were performed, and S 6 generation was reached in the inbreeding series.
Zusammenfassung Mit dem Ziel der Verbesserung der Brandresistenz wurde die Wirksamkeit rekurrenter Selektion gegenüber fortgesetzter Inzucht an einem sehr anf?lligen Hartmais untersucht. Die rekurrente Selektion wurde in zwei Zyklen durchgeführt, bei der Inzuchtserie wurde die S 6-Generation erreicht.


Dedicated to Dr. George F. Sprague on the occasion of his 65th birthday.  相似文献   

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