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1 27 1 Vol. 27, No ACTA OCEANOLOGICA SIN ICA January , 2, 1, 1, 1 (11, ; 21, ) :,,,, ( tser ), tser,,,, : ; ; ; : Q952 : A : (2005) (mandibular organ), ( corpora allata), (methyl farnesoate, MF) MF, [ 1 4 ]., (mandibular organ - inhibiting hormone, MO IH ) [ 5, 6 ]. ( P rocam ba rus clarkii) ( Penaeus chinesis) ( E riocheir sinensis) [ 7 11 ]. (Scylla serra ta),, , 58, mm, g, Bouin,, 6 8 m, Ehrlich - O lympus BH , mm, g,, [ 12 ]. 215% 2 h PBS, 1% 1 h,, - 618, LKB ,, JEM - 100CX : ; : : ; ( ). : (1970 ),,,, E - mail: haihuiye@163. com

2 1 : ,,,, m,,,, 5 10 m,, 1 4,,,,,,, ( 1-1). 312,,, 1 2,,,,,, ( ts2 ER) ( 1-2)., :,, tser, ( 1-3) ; ( cs2 ER),,, tser ( 1-4).,, 3 6,,,, tser, ( 1-5, 6).,, ( 2-1),,,,,, ( 2-2).,, ( 2-3)., ( 2-4).,, :, m,, tser, ;, m,,, ( 1-5), 1 3, ( 1-6)., tser, tser,,, 4 411,,.,,, (Hom arus am ericanus) [ 13 ] [ 7 ], Tobe [ 14 ] MF. 3 : tser, tser cser, (L i2 binia em arginata) [ 15, 16 ] (Calli2 nectes sapidus ) [ 17 ] [ 7 ] [ 11 ], 412,,,,,, tser, tser,,,, tser

122 27 1 1. ( 3 ) ( ), 330; 2. ( EC) (M) (Nu), 6 700; 3. ( tser) (M) (V), 14 000; 4.

3 ( 3 ) ( ), 330; 2. ( EC) (M) (Nu), 6 700; 3. ( tser) (M) (V), ; 4. ( cser) (V ) ( tser ) (M), ; 5. ( Go ) (V), ; 6. ( Go ), tser, tser, tser,,,,,,,, MF [ 1, 9 ]. ( )MF, MF. MF, MF [ 18 ]. MF. [ 11 ], ;,,,

1 : 123 2 1. (Mb) ( MyB ), 20 000; 2. ( BS ) ( ρ ) (V) ( ), 10 000; 3. ( ), 14 000; 4., ( ), ( BS ) ( V ), 10 000; 5. ( ρ ), 27 000; 6. (M), 2 000,, [ 7 ].

4 1 : (Mb) ( MyB ), ; 2. ( BS ) ( ρ ) (V) ( ), ; 3. ( ), ; 4., ( ), ( BS ) ( V ), ; 5. ( ρ ), ; 6. (M), 2 000,, [ 7 ]., MF, MF : [ 1 ] LAUFER H, BORST D, BAKER F C, et al. Identification of a juvenile hormone2like compound in a crustacean[ J ]. Science, 1987, 235: [ 2 ] LAUFER H, B IGGERS W J, AH I J S. Stimulation of ovarian maturation in the crayfish Procam barus clarkii by methyl farnesoate[ J ]. Gen Comp Endocrinol, 1998, 111 (2) : [ 3 ] LAUFER H, B IGGERSW J, KANG H S. Methyl farnesoate induced ovarian maturation in the sp ider crab, L ibinia em arginata [ J ]. Invert Rep rod Develop, 1999, 36 (1 3) : [ 4 ] HOMOLA E, CHANG E S. Methyl farnesoate: crustacean juvenile hormone in search of functions[ J ]. Comp B iochem Physiol, 1997, 117b (3) : [ 5 ] WA INWR IGHT G, W EBSTER S G, W ILKINSON M C, et al. Structure and significance of mandibular organ2inhibiting hormone in the crab,

5 Cancer pagurus[ J ]. J B iol Chem, 1996, 271 (22) : [ 6 ] TANG Chen2hui, LU W ei2qun, WA INWR IGHT G, et al. Molecular characterization and exp ression of mandibular organ2inhibiting hormone: a re2 cently discovered neuropep tide invoved in the regulation of growth and reproduction in the crab Cancer pagurus[ J ]. B iochem J, 1999, 343 ( 2) : [ 7 ], [ J ]., 1998, 22 (4) : [ 8 ], [ J ]., 1999, 23 (3) : [ 9 ], [ J ]., 2001, 25 (3) : [ 10 ],,,. [ J ]., 1999, 23 (4) : [ 11 ],,,. [ J ]., 2000, 33 (2) : [ 12 ],, [ J ]., 1991, 15 (2) : [ 13 ] BYARD E H, SH IVERS R R. The mandibular organ of the lobster, Hom arus am ericanus [ J ]. Cell Tiss Res, 1975, 162: [ 14 ] TOBE S S, YOUNG D A, KHOO H W. Production of methyl farnesoate by the mandibular organs of the mud crab, Scylla serrata: validation of a radiochem ical assay[ J ]. Gen Comp Endocrinol, 1989, 73: [ 15 ] H INSCH G W. Fine structural changes in the mandibular gland of the male sp ider crab, L ibinia em arginata (L. ) following eyestalk ablation[ J ]. J Morphol, 1977, 154: [ 16 ] H INSCH G W. The mandibular organ of the female sp ider crab, L ibinia em arginata, in immature, mature and ovigerous crabs[ J ]. J Morphol, 1981, 168: [ 17 ] YUD IN A L, D IENER R A, CLARK W H, et al. Mandibular gland of the crab, Callinectes sapidus[ J ]. B iol Bull, 1980, 159: [ 18 ] TAKAC P, LAUFER H, PRESTW ICH G. Characterization of methyl farnesoate (MF) binding p roteins and the metabolism ofmf by some tissues of the sp ider crab, L ibinia em arginata [ J ]. American Zoologist, 1998, 33 (10A) : M icrostructure and ultra structure of mand ibular organ in the mud crab, Scylla serra ta YE Hai2hui 1, 2, L I Shao2jing 1, HUANG Hui2yang 1, WANG Gui2zhong 1, L IQ i2fu 2 (1. D epartm ent of O ceanography, X iam en U niversity, X iam en , China; 2. L aboratory of Cell B iology, School of L ife Science, X iam en U niversity, X iam en , China) Abstract: The paired m andibular organs are located at the base of the m andibular tendon. The p lasma m embrane of the glandular cells is convoluted, especially at the adjaction to the hemolymph channels. The cytop lasm has nu2 merous smooth endop lasm ic reticulum and m itochondria w ith tubular cristae. In the m aturation stage of the ovaries, the m itochondria grow up in num ber, a few of which change morphologically; the developed Golgi comp lexes are frequently observed; the scattered tser reduces, while the highly converged tser increases; vast arrays of vesicles varying in size are located adjacent to the p lasma membrane; the degree of convolution enhances. The structure change of this organ may associate w ith the increasing ability of synthesis and secretion of the mandibular organ in S cylla serrata. Key words: mandibular organ; ultrastructure; ovary m aturation; S cy lla serra ta

1 75,? : ( ), ( )? ( )?,,,, 1987,, ,,,,, ;,, ( ) 50,,,,, 20 60,,,,,,,,,, 70,,,,,, ( ) , 124, :,,, ;, ;,,,,,,, 16,,, ,, 1

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