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Sunday, November 15, 2020 | History

2 edition of Chromosome mutagenesis in developing mackerel eggs sampled from the New York Bight found in the catalog.

Chromosome mutagenesis in developing mackerel eggs sampled from the New York Bight

A. Crosby Longwell

Chromosome mutagenesis in developing mackerel eggs sampled from the New York Bight

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  • 39 Currently reading

Published by Marine EcoSystems Analysis Program Office, Environmental Research Laboratories in Boulder, Colo .
Written in English

    Subjects:
  • Atlantic mackerel.,
  • Mackerels -- Eggs -- New York Bight.,
  • Mutagenesis.,
  • Chromosome abnormalities.

  • Edition Notes

    StatementA. Crosby Longwell.
    SeriesNOAA technical memorandum ERL MESA -- 7.
    ContributionsMarine EcoSystems Analysis Program.
    The Physical Object
    Paginationiii, 61 p. :
    Number of Pages61
    ID Numbers
    Open LibraryOL16115878M

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Chromosome mutagenesis in developing mackerel eggs sampled from the New York Bight by A. Crosby Longwell Download PDF EPUB FB2

Chromosome mutagenesis in developing mackerel eggs sampled from the New York Bight. – In: G. Gross (ed.) Middle Atlantic Continental Shelf and the New York Bight, Special Symposia, Vol.

2, Amer. Soc. Limnol. Chromosome mutagenesis in developing mackerel eggs sampled from the New York Bight / A. Crosby Longwell. Boulder, Colo.: Marine EcoSystems Analysis Program Office, Environmental Research Laboratories, ;Microfiche (negative). Longwell, A.C.

Chromosome mutagenesis in developing mackerel eggs sampled from the New York Bight. Middle Atlantic Continental Shelf and the New York Bight.

M.G. Gross (ed.) ASLO Special Symposium Longwell, A.C. Mutagenesis in developing mackerel eggs sampled from the New York Bight.

NOAA ERL-MESA-7, 59 p. Longwell, A.C. Field and laboratory measurements of stress responses at the chromosome and cell levels in planktonic fish eggs and the oil problem.

In the wake of the Argo Merchant. Proceedings of a Symposium. embryos caused severe chromosome damage as demonstrated by Peckkurenkov (). Chromosome mutagenesis was reported in developing mackerel (Scomber scombrus) eggs sampled from the New York Bight area (Longwell, ).

Stich et al. (t ) studied tumours in fish caused due to sublethal. Chronlosome mutagenesis in develop-ing mackerel eggs sampled from the New York Bight.

NOAA Technical Memorandum ERL MESA-7 (Boulder, CQ). 61 p. The effects of ocean dumping on a marine ecosystem must be considered in the context of the character and quantity of all contaminants reaching the system.

The highly variable nature of natural factors within the ecosystem and of waste inputs to it make the direct determination of cause-effect relationships of anthropogenic materials quite Cited by: 5. A total of ×10 4 fertilized eggs from broodstocks were obtained from spawning over a 46 day period.

The egg diameter was ±mm in the pre-spawning period, and ±mm in the post spawning period. The eggs hatched h after fertilization at °C, and the hatching rate was %.Cited by: The sea surface is an important habitat for the developmental stages (eggs and larvae) of many fish and invertebrates; it is also a concentration point for anthropogenic contaminants entering the sea.

Studies were conducted to determine the extent to which the sea surface of Puget Sound was toxic to the early life history stages of by: Start studying Alterations of chromosome number or structure cause some genetic disorders.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. Chromosome Mutagenesis in Developing Mackerel Eggs Sampled from the New York Bight. NOAA Technical Memorandum ERL MESA-7, U.S. Department of Commerce, NOAA, Environmental Research Laboratories, Boulder, Colorado, and time than anticipated, making the task of large-scale monitoring less difficult, and more productive of sound and interpretable results.

Turnover of sex chromosome in fishes. Sex chromosomes have repeatedly and independently evolved in plant and animal species with genetic sex-determination mechanisms (Bull ).Although some taxonomic groups appear to have stable sex chromosomes that have been conserved across hundreds of millions of years of evolution, there are many examples of sex chromosome turnover, where even Cited by: Karyotype evolution in Carnivora is thoroughly studied by classical and molecular cytogenetics and supplemented by reconstructions of Ancestral Carnivora Karyotype (ACK).

However chromosome painting information from two pinniped families (Odobenidae and Otariidae) is noticeably missing. We report on the construction of the comparative chromosome map for species from each of the three Cited by: 3. Longwell, A.C. and Hughes, J.B.

() Cytologic, cytogenetic, and developmental state of Atlantic mackerel eggs from sea surface waters of the New York Bight, and prospects for biological effects monitoring with by: 9. ing of mackerel and horse mackerel eggs. The workshop also investigate the reasons d for individual differences in the identification and staging of mackerel and horse mackerel eggs and attempted to harmonize tion of the use of the ‘spray’ technique, for removing fish eggs from plankton samples, was carried out.

Introgressive hybridization is an important evolutionary process that can lead to the creation of novel genome structures and thus potentially new genetic variation for selection to act upon.

On the other hand, hybridization with introduced species can threaten native species, such as cutthroat trout (Oncorhynchus clarkii) following the introduction of rainbow trout (O.

mykiss).Cited by: I t I~ f l. INTRODUCTION This report summarizes progress by this Center in MESA-funded research from July 1 through Octo Section II consists of a surnntary of acc. Cytologic, cytogenetic, and developmental state of Atlantic mackerel eggs from sea surface waters of the New York Bight, and prospects for biological effects monitoring with ichthyoplankton.

Mutagenesis, 2. Fin Rot and Invertebrate Diseases, 3. Benthic Macrofauna and Chemistry, 4.' Seabed Oxygen Consumption, 5. Phytoplankton Primary Productivity. The first three studies received direct MESA funding during the reporting period. The last two stUdies are continuations of formerly MESA-funded re­ search.

After the investigation on genetic diversity of two hundred and seventy-six short mackerel samples from eight sites (Chanthaburi, Rayong, Samut Songkhram, Prachuap Khiri Khan, Surat Thani, Songkhla, Satun and Krabi), DNA bands were polymorphic ( percent).Cited by: 1.

Development of fishes of the Mid-Atlantic Bight: an atlas of egg, larval, and juvenile stages [Unknown.] on *FREE* shipping on qualifying offers.

Development of fishes of the Mid-Atlantic Bight: an atlas of egg, larval, and juvenile stagesAuthor. Unknown. Cytologic, cytogenetic, and developmental state of Atlantic mackerel eggs fi'om sea surface waters of the New York Bight, and prospects for biological effects monitoring with ichlhyoplanktoa Rapp.

Cytological detection of mutagen-carcinogen exposure by sister chromatid exchange. ().Author: VICTORIA VIKKl CHEUNG. This volume combines a series of rigorous, original research papers with more informal recollections of James L. Patton, who served as Curator of Mammals in the Museum of Vertebrate Zoology and as Professor of Integrative Biology at the University of California, Berkeley, from until As a curator and a member of the Berkeley faculty, Patton made an indelible mark on vertebrate.

Cinco, E., Length-weight relationships of fishes. In D. Pauly and A.N. Mines (eds.) Small scale fisheries of San Miguel Bay, Philippines: biology and stock assessment.

ICLARM Technical Reports 7, p. Institute of Fisheries Development and Research, College of Fisheries, University of the Philippines in the Visayas, Quezon City, Philippines; International Center for Living.

The proteins that bind chromosomes together may degrade over the years that the egg is waiting in a woman's ovary, Rowsey says. The number of eggs that women have is also depleted over time, so there might be fewer good ones to choose from.

Whatever the causes. Gonadal development and associated changes in liver size and sexual steroids during the reproductive cycle of captive male and female Atlantic cod (Gadus morhua L.).

Comparative Biochemistry and Physiology, Part A– Longwell and Hughes () examined mackerel eggs sampled from the surface waters of the New York Bight. They observed mitotic chromosome irregularities, variable development rates as calculated by mitotic index, and differences in viability as estimated by early indicators of cell death.

Using developmental times of eggs from lake whitefish (Coregonus clupeaformis) spawning in Lake Michigan, Berlin et al Chromosome FISH Contributed by Martin Fitzpatrick, University of Birmingham, United Kingdom.

DAPI counterstain for chromosome FISH analysis. After FISH sample preparation briefly rinse sample in distilled water to remove residual salts; Dilute stock DAPI to a concentration of 30nM in PBS.

Ref. Author Citation; Raadik, T.A., A specimen of Salmo trutta (Pisces: Salmonidae) possessing an additional dorsal fin. Fish Biol. 42(5) Raadik, T.A., Fifteen from one: a revision of the Galaxias olidus Günther, complex (Teleostei, Galaxiidae) in south-eastern Australia recognises three previously described taxa and describes 12 new.

Full text of "Ocean pollution: hearings before the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-eighth Congress, first session, on sewage disposal in New York Bight (joint hearing with Subcommittee on Fisheries and Wildlife Conservation and the Environment), ; environmental oversight of Georges Bank.

The most thoroughly documented example of such habitat alteration is in the New York Bight, where reported changes in benthic community structure have been related to the disposal of waste materials. Developmental and structural anomalies - One of the adverse effects of ocean dumping of waste materials is an induction of chromosomal damage in.

B-l C MONITORING C-l D CHAPTER III, FINAL EIS ON OCEAN DUMPING OF SEWAGE SLUDGE IN THE NEW YORK BIGHT D-l E RESPONSES TO WRITTEN COMMENT AND PUBLIC HEARING TESTIMONY ON THE THE DRAFT EIS E-l ILLUSTRATIONS Number Title Page S-l Proposed Site (Mile Site) and All Alternative Sites xiii Proposed Site (Mile Site) and All Alternative.

Lin RNA is always present but its protein decreases through larval development (found to parallel an increased in lin-4 expression). Discovered that there were no binding sites for lin-4 in the coding region of lin BUT they found SEVERAL places in the 3'-UTR (imperfectly) which could block translation.

More recently, new techniques including insertional mutagenesis, imaging and ablation of cells in live embryos, using easy-to-make transgenics carrying green fluorescent protein derivatives under a host of promoters, and the GAL4-UAS system of targeted expression have been added to the zebrafish repertoire, revealing its sheer elegance as a Cited by: 1.

The oil barge North Cape ran aground on Moonstone Beach in Rhode Island on Januspilling gallons (U.S.) of a combination of diesel and home heating oils.

Samples of winter flounder embryos were collected from salt ponds in the area of the spill using an epibenthic sled. An examination of the field-sampled embryos based on gross morphology, levels of moribund embryos.

Abstract. The Lemba are a southern African Bantu-speaking population claiming Jewish ancestry. Allele frequencies at four different Y-specific polymorphic loci, as well as extended-haplotype frequencies that included data from several loci, were analyzed in an attempt to establish the genetic affinities and origins of Cited by: This banner text can have markup.

web; books; video; audio; software; images; Toggle navigation. Fish embryo screening test for genotoxic agents using three different developmental life stages Abstract.

A sensitive bioassay, consisting of two assay techniques applied to embryos of a teleost (bony fish), is utilized in testing for genotoxic agents. Sutton, W. On the morphology of the chromosome group in Brachystola magna. Biological Bulletin, In this paper, Sutton reports cytological studies of grasshopper chromosomes that lead him to conclude that (a) chromosomes have individuality, (b) File Size: KB.

New York: John Wiley & Sons, crease temperature and reduce cycle time by quickly remov- ing air from the chamber. The process of steam sterilization is kept in check by pressure and temperature gauges, as well as a safety valve that automatically vents the chamber should the internal pressure build beyond the unit’s capacity.Researchers studied genetic variation in the marine mussel Mytilus edulis around Long Island, New York.

They measured the frequency of a particular allele (lap^94) for an enzyme involved in regulating the mussel's internal saltwater balance. The researchers presented their data as a series of pie charts linked to sampling sites within Long.Proceedings of the 8th Zonal Research and Development Review, October, De la Salle University, Taft Avenue, Manila.

CD-ROM. Philippine Council for Aquatic and Marine R&D and Southern Luzon Zonal Center for Aquatic and Marine R & D: Los Baños, Laguna.