一部の微生物は鉄分が少なくなると、「シデロフォア」という物質を放出する。シデロフォアは周囲の鉄分を包みこみ、再び微生物の体の表面を通って体内に取り込まれる。微生物は鉄分を包み込んだシデロフォアを吸収することで、鉄分を取り込んでいる。
シデロフォアを生産する微生物を土壌に繁殖させると、シデロフォアを生産できない菌は鉄不足で増殖できないことを利用して、農薬を使用せずに有害な細菌や病原菌の活動を抑える農業に応用できる。鉄以外の金属を吸収できるシデロフォアのような物質を研究することで、鉛などの重金属による環境汚染の無毒化技術に応用できる。
| Query | Error | Affected | Num. rows | Took (ms) | Actions |
|---|---|---|---|---|---|
| SELECT `Content`.`id`, `Content`.`user_id`, `Content`.`last_edit_user_id`, `Content`.`post_date`, `Content`.`post_date_year`, `Content`.`post_date_month`, `Content`.`post_date_day`, `Content`.`title`, `Content`.`title_en`, `Content`.`content`, `Content`.`plain_content`, `Content`.`page_view`, `Content`.`flag`, `Content`.`mod_count`, `Content`.`created`, `Content`.`modified` FROM `contents` AS `Content` WHERE `id` = 34 LIMIT 1 | 1 | 1 | 0 | ||
| SELECT `Attachment`.`file_name`, `Attachment`.`dir`, `Attachment`.`model`, `Attachment`.`foreign_key` FROM `attachments` AS `Attachment` WHERE `file_name` <> 'default.jpg' AND `Attachment`.`foreign_key` = (34) | 1 | 1 | 1 | ||
| SELECT `ContentsRelatedItem`.`content`, `ContentsRelatedItem`.`related_item_id`, `ContentsRelatedItem`.`content_id` FROM `contents_related_items` AS `ContentsRelatedItem` WHERE `ContentsRelatedItem`.`content_id` = (34) | 11 | 11 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 1 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 2 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 5 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 6 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 7 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 8 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 9 | 1 | 1 | 1 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 9 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 9 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 4 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`code`, `RelatedItem`.`name` FROM `related_items` AS `RelatedItem` WHERE `RelatedItem`.`id` = 11 | 1 | 1 | 0 | ||
| SELECT `ContentsTag`.`id`, `ContentsTag`.`tag_group_id`, `ContentsTag`.`mod_count`, `ContentsTag`.`tag_id`, `ContentsTag`.`content_id` FROM `contents_tags` AS `ContentsTag` WHERE `ContentsTag`.`content_id` = (34) | 4 | 4 | 0 | ||
| SELECT `Tag`.`name`, `Tag`.`comment`, `Tag`.`tag_group_id` FROM `tags` AS `Tag` WHERE `Tag`.`id` = 47 | 1 | 1 | 0 | ||
| SELECT `TagGroup`.`code`, `TagGroup`.`name` FROM `tag_groups` AS `TagGroup` WHERE `TagGroup`.`id` = 4 | 1 | 1 | 0 | ||
| SELECT `Tag`.`name`, `Tag`.`comment`, `Tag`.`tag_group_id` FROM `tags` AS `Tag` WHERE `Tag`.`id` = 62 | 1 | 1 | 0 | ||
| SELECT `TagGroup`.`code`, `TagGroup`.`name` FROM `tag_groups` AS `TagGroup` WHERE `TagGroup`.`id` = 6 | 1 | 1 | 0 | ||
| SELECT `Tag`.`name`, `Tag`.`comment`, `Tag`.`tag_group_id` FROM `tags` AS `Tag` WHERE `Tag`.`id` = 72 | 1 | 1 | 0 | ||
| SELECT `TagGroup`.`code`, `TagGroup`.`name` FROM `tag_groups` AS `TagGroup` WHERE `TagGroup`.`id` = 6 | 1 | 1 | 2 | maybe slow | |
| SELECT `Tag`.`name`, `Tag`.`comment`, `Tag`.`tag_group_id` FROM `tags` AS `Tag` WHERE `Tag`.`id` = 100 | 1 | 1 | 0 | ||
| SELECT `TagGroup`.`code`, `TagGroup`.`name` FROM `tag_groups` AS `TagGroup` WHERE `TagGroup`.`id` = 7 | 1 | 1 | 0 | ||
| SELECT `RelatedItem`.`id`, `RelatedItem`.`code`, `RelatedItem`.`name`, `RelatedItem`.`created`, `RelatedItem`.`modified`, `RelatedItem`.`flag` FROM `related_items` AS `RelatedItem` WHERE `code` = 'function' LIMIT 1 | 1 | 1 | 0 | ||
| SELECT `Content`.`id`, `Content`.`title`, `Content`.`title_en` FROM `contents` AS `Content` WHERE id = (NULL) ORDER BY `id` desc | 0 | 0 | 2 | maybe slow |
Peak Memory Use 8.76 MB
| Message | Memory use |
|---|---|
| Component intitailization | 6.78 MB |
| Controller action start | 6.82 MB |
| Controller render start | 6.90 MB |
| View render complete | 7.92 MB |
Total Request Time: 498 (ms)
| Message | Time in ms | Graph |
|---|---|---|
| Core Processing (Derived) | 66.58 | |
| Component initialization and startup | 297.70 | |
| Controller action | 22.55 | |
| Render Controller Action | 23.42 | |
| » Rendering View | 20.76 | |
| » » Rendering APP/views/contents/view.ctp | 10.06 | |
| » » Rendering APP/views/layouts/default.ctp | 9.27 | |
| » » » Rendering APP/views/elements/header.ctp | 0.96 | |
| » » » Rendering APP/views/elements/content_sidebar.ctp | 0.20 | |
| » » » Rendering APP/views/elements/footer.ctp | 0.17 |
