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Monday, July 27, 2020 | History

2 edition of AN ULTRASOUND BASIS FOR HYPHAL TIP GROWTH IN PYTHIUM ULTIMUM found in the catalog.

AN ULTRASOUND BASIS FOR HYPHAL TIP GROWTH IN PYTHIUM ULTIMUM

S. N. GROVE

AN ULTRASOUND BASIS FOR HYPHAL TIP GROWTH IN PYTHIUM ULTIMUM

by S. N. GROVE

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Published .
Written in English


Edition Notes

Online version of print publication AMERICAN JOURNAL OF BOTANY v.57 #3 (March 1970) : 245-266.

ContributionsBRACKER, C. E., MORRE, D. J.
ID Numbers
Open LibraryOL21502778M

will not cause premature physeal closure, shortened longitudinal growth, or decreased circumferential growth, while high doses ( W/cm²) will have a detrimental effect to the growth plate. The aim of this study is to determine the effects of therapeutic and high-intensity doses of ultrasound on the epiphyseal plates of the rabbit knee joint.   The effect of PE on hyphal growth was investigated by placing disks of bacteria grown on Nissui media in petri dishes containing 10 mL of 1% IH base media (Ishii and Horii, ). Spores of Gigaspora margaritawere sterilized using 50% ethanol in ultrasound for 30 s followed by incubation in 14% of the antibiotic solution described above.

Pythium survives in soil as thick-walled, sexual oospores and asexual sporangia. At 10–18 °C, germination of both oospores and sporangia tends to be by means of zoospores, whereas above 18 °C germ tubes tend to be produced. Germination, hyphal growth and tissue penetration can be . For example, ultrasound-guided needle biopsy helps physicians see the position of a needle while it is being guided to a selected target, such as a mass or a tumor in the breast. Also, ultrasound is used for real-time imaging of the location of the tip of a catheter as it is inserted in a blood vessel and guided along the length of the vessel.

View chapter Purchase book. Read full chapter. between the ability of fluorescent pseudomonads to produce hydrogen cyanide and to suppress infection of pea seeds by Pythium ultimum. by α subunits of heterotrimeric G-proteins and cAMP signaling plays important roles in a variety of processes such as hyphal tip growth, sexual development. Ultrasound-guided insertion of intra-aortic balloon counterpulsation in intensive care: description of the technique. Intra-aortic balloon counterpulsation (IAoBC) is a mechanical circulatory support device that has been used for more than 50 years, mainly for cardiogenic shock.


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AN ULTRASOUND BASIS FOR HYPHAL TIP GROWTH IN PYTHIUM ULTIMUM by S. N. GROVE Download PDF EPUB FB2

An Ultrastructural Basis for Hyphal Tip Growth in Pythium ultimum S. Grove, C. Bracker and D. Morré Hyphae of the fungus Pylhium ultimum extend by tip growth. The use of surface markers demonstrates that cell expansion is limited to the curved portion of the hyphal apex.

integrated into a general hypothesis to explain the. THE ULTRASTRUCTURAL BASIS OF HYPHAL GROWTH. MARCHANT. Department of Botany, University College London, and Department of Botany, University of Durham Structures which have some features in common with lomasomes are present in Coprinus lagopus and Pythium ultimum, A serological investigation of hyphal growth in Fusarium culmorum Cited by: Bartnicki-Garcia, S., Hergert, F.

and Gierz, G. () Computer simulation of fungal morphogenesis and the mathematical basis for hyphal (tip) growth. Protoplasma,46– CrossRef Google ScholarCited by:   Effects of treatment with methyl benzimidazoleylcarbamate (MBC) on living hyphal tip cells ofFusarium acuminatum were determined with phase contrast light microscopy.

These included (i) displacement of mitochondria from hyphal apices, (ii) disappearance of Spitzenkörpers, (iii) reduction of linear growth rate, and (iv) metaphase arrest of all mitoses: responses i–iii were not a result of Cited by: Time and concentration-dependent release of cellular materials from hyphae in presence of paromomycin provided evidences on hyphal lysis, as the mechanistic basis for its anti-Pythium activity.

Abstract. An excessive endomembrane system found in the form of aggregated cisternae in the young growing hyphal tips of Aspergillus flavus is described. The disposition of the aggregate adjacent to the apical dome, and its close association with apical vesicles suggests an active involvement of these aggregated cisternae in the cell wall synthesis.

Grove et al., S.N. Grove, C.E. Bracker and D.J. Morre, An ultrastructural basis for hyphal tip growth in Pythium ultimum, Am. Bot. 57 (), pp. – Full Text via CrossRef Gunter et al., T.E. Gunter, D.I. Yule, K.K. Gunter, R.A.

Eliseev and J.D. Salter, Calcium and mitochondria, FEBS Lett. (), pp. 96–   Low-Intensity Pulsed Ultrasound LIPUS Does Not Increase Longitudinal Growth Of Bone.

Update March 6th Tyler did leave a response to this post originally but there is now even more evidence found which tips the question of the effect of Low-Intensity Pulsed Ultrasound on bone longitudinal growth to the side of having no affect at all. Study #1: Effects of therapeutic ultrasound.

If an ultrasound system is used for imaging, it must use pulsed ultrasound and, therefor e, the duty factor must be between 0% and % (or 0 and 1), typically close to 0.

Equation Spatial Pulse Length Definition The length or distance that a pulse occupies in space. The distance from the start of a pulse to the end of that pulse. Medical ultrasound is based on the use of high-frequency sound to aid in the diagnosis and treatment of patients.

Ultrasound frequencies range from 2 to approximately 15 MHz, although even higher frequencies may be used in some situations. The ultrasound beam originates from mechanical oscillations of numerous crystals in a transducer, which is excited by electrical pulses (piezoelectric.

growth of P. apha nidermatum 35 terminal complexes of swollen hyphal branches of varying length and up to 22 m m wide Pythium ultimum var. ultimum clustered toget her in one clad. Abstract. Morphological and biochemical studies indicate that plasma membranes (PM) are derived from nuclear membranes (NM) or endoplasmic reticulum (ER) via the Golgi apparatus (GA) by a process of membrane flow and differentiation (14,16).

The distribution of P. spp. is discussed on the basis of data obtained by assaying 80 plant root samples and soil samples collected in various districts during P. cultures were obtained from plant roots by placing washed tissue pieces on plain water agar plates and single hyphal tips from the fungal growth were removed and subcultured.

Grove SN, Bracker CE, Morre DJ () An ultrastructural basis for hyphal tip growth in Pythium ultimum. Am J Bot – CrossRef Google Scholar Heath IB () Preservation of a labile cortical array of actin filaments in growing hyphal tips of the fungus Saprolegnia ferax.

Treatment with T. harzianum T4 or T. harzianum N47 reduced plant damage in pea plants caused by Pythium ultimum and improved the growth characteristics of the plants (Naseby et al.

Had a growth scan at 34+3 and she was weighing 5lbs 6oz so with predicted gain of 1/2lb per week she would have been 8lbs 13oz at 41+3 she was born yesterday at exactly 41 weeks and weighed 8lbs oz so it was pretty accurate for us x.

Venom alkaloids can also inhibit germination and hyphal growth of entomopathogenic fungi (Obin and Vander Meer ). Research has shown that venom alkaloids inhibited the plant pathogen Pythium. Therapeutic ultrasound is a treatment modality commonly used in physical therapy.

It is used to provide deep heating to soft tissues in the body. The alpha angle is a measurement used in the ultrasonographic assessment of developmental dysplasia of the hip (DDH). The angle is formed by the acetabular roof to the vertical cortex of the ilium and thus reflects the depth of the bony acetabular roof.

This is a similar measurement to the acetabular angle. The normal value is greater than or equal to 60 degrees. Ultrasound Cases. Home; Cases; Select Category Abdomen and retroperitoneum.

Liver Gallbladder and bile ducts Pancreas Spleen Appendix Gastrointestinal tract Peritoneum mesentery and omentum Various intra-abdominal tumors Retroperitoneum and great vessels Adrenal glands Abdominal wall.

On GCCMA, colonies had a distinct petaloid growth pattern and produced abundant spherical, thin-walled, intercalary and terminal chlamydospores (30 to 46 μm diameter) and hyphal chains of globose.A kidney ultrasound is a noninvasive diagnostic exam that produces images, which are used to assess the size, shape, and location of the kidneys.

Ultrasound may also be used to assess blood flow to the kidneys. Ultrasound uses a transducer that sends out ultrasound waves at a.

An adhering hyphal swelling structure, namely appressorium, has been reported in Pythium (Van der Plaats-Niterink ), and is generally considered to play a role in infection.

Although unclear in the function, the term “appressorium” has been used by Sparrow () to refer to this hyphal swelling structure occurring in Pythiogeton due to.