On the Physical Properties of the Mitotic Spindle*

Inoué, Shinya

doi:10.1111/j.1749-6632.1960.tb23269.x

Cited by 17 publications

(3 citation statements)

References 10 publications

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“…The microtubules of the spindle fibers exist in a dynamic equilibrium with their subunits (INOUE 1959(INOUE , 1960(INOUE , 1964. This equilibrium can be disturbed and shifted towards dissociation by binding the subunits with colchicine ( BORISY and TAYLOR 1967).…”

Section: Discussionmentioning

confidence: 99%

THE MECHANISM OF SOMATIC ASSOCIATION IN COMMON WHEAT, TRITICUM AESTIVUM L. II. DIFFERENTIAL AFFINITY FOR COLCHICINE OF SPINDLE MICROTUBULES OF PLANTS HAVING DIFFERENT DOSES OF THE SOMATIC-ASSOCIATION SUPPRESSOR

Avivi¹,

Feldman²,

Bushuk³

1970

Genetics

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HE homologous chromosomes of common wheat, Triticum crestiuum L., are Tassociated in somatic cells (FELDMAN, MELLO-SAMPAYO and SEARS 1966). This somatic association is regulated by a gene system located on the chromosomes of homoeologous group 5, i.e., chromosomes 5A, 5B, and 5D, (FELDMAN 1966(FELDMAN , 1968). The long arm of chromosome 5B (5BL) carries a gene which SUPpresses somatic association and thus tends to cause random distribution of homologues in the somatic nucleus. On the other hand, the short arm of chromosome 5B (5BS) and the long and short arms of chromosomes 5A and 5D carry genes which promote somatic association. The effect of the somatic-association promoters is opposite to that of the somatic-association suppressor. Thus in common wheat there is a balance between the suppressor and the several promoters which determines the degree of somatic association that occurs.Studies on the effect of the somatic-association genes in aneuploid wheat plants having different doses of chromosomes 5B, 5D, and 5A have shown that this balance can be shifted in either direction (FELDMAN 1966(FELDMAN , 1968) by increasing the

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Section: Discussionmentioning

confidence: 99%

THE MECHANISM OF SOMATIC ASSOCIATION IN COMMON WHEAT, TRITICUM AESTIVUM L. II. DIFFERENTIAL AFFINITY FOR COLCHICINE OF SPINDLE MICROTUBULES OF PLANTS HAVING DIFFERENT DOSES OF THE SOMATIC-ASSOCIATION SUPPRESSOR

Avivi¹,

Feldman²,

Bushuk³

1970

Genetics

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“…To achieve maximum strength, step [3] focuses solely on determining parameters in the welding process by emphasizing consistent material form and electrode style. Findings from [4] and [5] affirm that adequate sample resolution in fatigue-loaded welded joints ensures sustained quality assurance for welded structures and reinforces the structural integrity of steel column connections reinforced by angle steel welding, aligning with structural reliability and safety in modern industry. Well-designed plate joint models by [6] demonstrate optimal performance, particularly with low amplitude and high-frequency oscillation combinations.…”

Section: Literature Review and Problem Statementmentioning

confidence: 71%

“…The determination of optimal parameters in the spot welding process involves maintaining constant electrode shape, electrode material, and electrode force while varying current and welding time to achieve maximum joint strength [3]. The sampling resolution of 200 to 250 µm has been proven adequate for fatigue-loaded welded joints investigated in production, ensuring sustained quality assurance for welded structures [4].…”

Section: Introductionmentioning

confidence: 99%

Optimization of welding direction model parameters to enhance the tensile strength of ST 42 steel joints through variation of current strength simulation

Muddin,

Ariyanto,

Sriwati

et al. 2024

EEJET

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The welding process plays a central role in the welding industry, where the joint zone undergoing the welding process experiences structural and mechanical property changes. This research evaluates the comparison of current strength and parameters in the directional welding joint model, a critical aspect of addressing common weaknesses in welded joints. The research objects include four current levels (100, 120, 140, 160 A) and three types of welding directions (longitudinal, transversal, and combination). The aim of this study is to detect the optimal combination in welded joints that can produce a maximum tensile strength ratio. The research method involves tensile testing on various specimen models of joint types at specific current strength levels. The research results indicate that at the current strength level of 120 A, the combined directional welding joint model (longitudinal+transverse) provides a maximum tensile strength reaching 335.370 MPa. This finding stands out significantly, surpassing the tensile strength values at other current levels and welding model types, such as at 100 A (331.574 MPa), 140 A (332.315 MPa), and 160 A (332.685 MPa). This discovery highlights that the combined joint model yields a substantial improvement in joint strength, making it an optimal solution for various current strength levels and joint models. The key feature of this research involves specific recommendations for the welding industry, including guidelines on selecting optimal parameters to enhance the tensile strength of joints. The directional welding joint models can be a reference in designing welding procedure specifications to incorporate construction elements using ST 42 material. This research contributes both theoretically and practically, offering opportunities for improving efficiency and structural safety in the welding process, thus positively impacting the quality of joints in construction and manufacturing applications

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Mitosis

Nicklas¹

1971

Advances in Cell Biology

204

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On the Physical Properties of the Mitotic Spindle*

Cited by 17 publications

References 10 publications

THE MECHANISM OF SOMATIC ASSOCIATION IN COMMON WHEAT, TRITICUM AESTIVUM L. II. DIFFERENTIAL AFFINITY FOR COLCHICINE OF SPINDLE MICROTUBULES OF PLANTS HAVING DIFFERENT DOSES OF THE SOMATIC-ASSOCIATION SUPPRESSOR

THE MECHANISM OF SOMATIC ASSOCIATION IN COMMON WHEAT, TRITICUM AESTIVUM L. II. DIFFERENTIAL AFFINITY FOR COLCHICINE OF SPINDLE MICROTUBULES OF PLANTS HAVING DIFFERENT DOSES OF THE SOMATIC-ASSOCIATION SUPPRESSOR

Optimization of welding direction model parameters to enhance the tensile strength of ST 42 steel joints through variation of current strength simulation

Mitosis

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