Accepting the evidence that evolution is largely finished and that sexual reproduction is incapable of supporting macroevolution, indicates that macroevolutionary changes were produced presexually through the cytological events associated with the first meiotic division. This reproductive mode is ideally suited to the production of new structural rearrangements of preexisting genetic information in instantaneous homozygous form. These new arrangements (position effects) produce new and discrete species. Thus, speciation results not from new genetic information, but rather from information already present (preformed). The several parallels that exist between epigenesis and preformation in both ontogeny (development) and phylogeny (evolution) are discussed. I propose that both of these phenomena have proceeded through the selective activation (derepression) of an enormous potential supply of information already present at the onset of each of these biological phenomena. Acceptance of these possibilities can serve to liberate us in our quest for the ultimate truth concerning these two closely related phenomena.
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J Helminthol
January 2025
Toho University, Faculty of Science, 2-2-1 Miyama, Funabashi, Chiba274-8510, Japan.
During 2021 through 2023, the golden mussel and freshwater fishes were sampled from 28 sites in the Tone River system, Japan, and adult trematodes of were found in the fishes. Molecular and morphological analyses based on 28S rDNA and the ITS1-5.8S-ITS2 region revealed the trematode as '', previously reported in Mainland China and likely introduced to Japan.
View Article and Find Full Text PDFPhysiol Plant
January 2025
National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China.
Citrus fruits are one of the most important fruits in the world, and their seedless character is favored by consumers. WRKY is a plant-specific transcription factor family involved in all aspects of plant growth and development. However, the molecular mechanism of seedless fruit formation in citrus and the role of the WRKY gene family in seed abortion are still poorly understood.
View Article and Find Full Text PDFCurr Microbiol
January 2025
Unit of Microbiology and Immunology, ICMR-Vector Control Research Centre, Medical Complex, Indira Nagar, Puducherry, 605006, India.
In recent years, there has been a global threat from emerging vector-borne diseases (VBD), despite the implementation of several vector control programs. Considering the benefits of bacterial pesticides, the present study aimed to isolate potential mosquitocidal bacteria from the various soil types collected from the Kasaragod (12.5°N, 75.
View Article and Find Full Text PDFCurr Microbiol
January 2025
Department of Microbiology, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand.
An aerobic, Gram-stain-positive, motile, coccus-shaped actinomycete, designated strain LSe6-4, was isolated from leaves of sea purslane (Sesuvium portulacastrum L.) in Thailand and subjected to a polyphasic taxonomic studies. Growth of the strain occurred at temperatures between 15 and 38 °C, and with NaCl concentrations 0-13%.
View Article and Find Full Text PDFSci Rep
January 2025
Laboratorio de Bioinformática Microbiana, Programa Académico de Ingeniería en Biotecnología, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Km. 3 Mazatlán-Higueras, 82199, Mazatlán, Sinaloa, Mexico.
Dispersal is an important life history trait that plays a key role in the demography and evolution of species. We employed a combined approach of DNA sequencing and transmission electron microscopy to examine the changes in the microbiome during the ontogeny and dispersal of the coral-excavating sponge Thoosa mismalolli. The results show that sponge can acquired their associated bacteria via both vertical (VT) and horizontal transmission (HT).
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