Results 61 to 70 of about 13,553 (230)
Evolutionary changes in the notochord genetic toolkit: a comparative analysis of notochord genes in the ascidian Ciona and the larvacean Oikopleura [PDF]
, 2011 Background The notochord is a defining feature of the chordate clade, and invertebrate chordates, such as tunicates, are uniquely suited for studies of this structure.
Jamie E Kugler +4 more
core +1 more source
Immunotoxicity of butyltins in tunicates
Applied Organometallic Chemistry, 1995 This study was designed to investigate the effects of butyltins on yeast phagocytosis in vitro by haemocytes of the colonial ascidian Botryllus schlosseri. This species has been reported to be very sensitive to organotins. Results show that, in analogy to reports on mammalian leukocyte reactivity, butyltins exert inhibitory effects on phagocytosis in a
CIMA, FRANCESCA +3 more
openaire +2 more sources
People and Nature, EarlyView.Abstract Biological invasions are a major driver of biodiversity loss, yet inconspicuous or “cryptic” species often escape detection and public awareness, limiting management responses. We investigated the freshwater jellyfish Craspedacusta sowerbii, likely native to China and now present on six continents, through a 22‐month multilingual online survey
Guillaume Marchessaux +17 more
wiley +1 more source
IDENTIFICATION OF SECONDARY METABOLITE COMPOUNDS IN TUNICATE (Polycarpa aurata) ASSOCIATED BACTERIA
Jurnal Kedokteran Diponegoro, 2021 Background: Marine biodiversity in the last few decades has been explored and utilized as marine natural products. The secondary metabolites produced by marine organisms are utilized by humans in various aspects of life.
Sheila Raisa +3 more
doaj +1 more source
Maintenance of Constant Wave Parameters by Sperm Flagella at Reduced Frequencies of Beat [PDF]
, 1973 1. Treatment of Ciona spermatozoa with low concentrations of Triton X-100 (less than 0·01 %) causes them to beat at lower than normal frequencies. The wavelength of the flagellar bending waves remains constant over the range from 10 to 40 Hz.
Brokaw, C. J., Josslin, R.
core
Incorporating environmental DNA metabarcoding for improved benthic biodiversity and habitat mapping
Remote Sensing in Ecology and Conservation, EarlyView.Seafloor imagery is commonly used to collect information about the distribution of benthic organisms in order to generate habitat and biodiversity maps. Recent advances in genomics (e.g., environmental DNA; eDNA) show potential to complement video surveys for habitat mapping, but there have been few examples testing this.
Rylan J. Command +8 more
wiley +1 more source
Química Nova, 2007 Chemical investigation of the methanolic extract of the ascidian Didemnum psammatodes has led to the identification of the nucleosides 2'-deoxyuridine (1), thymidine (2), 2'-deoxyinosine (3) and 2'-deoxyguanosine (4), the steroids cholestanol ...
Renata Takeara +5 more
doaj +1 more source
A report of biological observations at Oceanside #1 and #2 artificial reefs, Carlsbad artificial reef, Pacific Beach artificial reef, and Mission Bay Park artificial reef [PDF]
, 1993 (Document pdf contains 22 ...
Bedford, Dennis W.
core
Transcriptome dynamics in the asexual cycle of the chordate Botryllus schlosseri [PDF]
, 2016 Background: We performed an analysis of the transcriptome during the blastogenesis of the chordate Botryllus schlosseri, focusing in particular on genes involved in cell death by apoptosis. The tunicate B.
Ballarin, Loriano +7 more
core +3 more sources
Environmental Toxicology, EarlyView.ABSTRACT Plastic, with its remarkable versatility and numerous applications, has greatly benefited humanity. However, its extreme resistance to natural degradation means it persists in the environment for long periods, causing global environmental problems.
Teresa Chianese +13 more
wiley +1 more source